Questions and Answers for CCNA Security Chapter 8 Test Version 2.0 will be given in this post. The purpose of this questions and answers CCNAS Chapter 8 Test version 2.0 is for you guys to have review on questions and ready for the chapter test. Hopefully this will be helpful. If you guys found new questions for this chapter, do comment below to update us with the latest questions and answers. If you think there is correction should be made, do also leave your comment with reference so we can discussed the correct answer.
- Refer to the exhibit. How will traffic that does not match that defined by access list 101 be treated by the router?
It will be sent unencrypted.
It will be sent encrypted.
It will be blocked.
It will be discarded.
- What three protocols must be permitted through the company firewall for establishment of IPsec site-to-site VPNs? (Choose three.)
HTTPS
SSH
AH
ISAKMP
NTP
ESP
- Which statement describes the effect of key length in deterring an attacker from hacking through an encryption key?
The length of a key does not affect the degree of security.
The shorter the key, the harder it is to break.
The length of a key will not vary between encryption algorithms.
The longer the key, the more key possibilities exist.
- What is the purpose of configuring multiple crypto ACLs when building a VPN connection between remote sites?
By applying the ACL on a public interface, multiple crypto ACLs can be built to prevent public users from connecting to the VPN-enabled router.
Multiple crypto ACLs can define multiple remote peers for connecting with a VPN-enabled router across the Internet or network.
Multiple crypto ACLs can be configured to deny specific network traffic from crossing a VPN.
When multiple combinations of IPsec protection are being chosen, multiple crypto ACLs can define different traffic types.
- Consider the following configuration on a Cisco ASA:
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
What is the purpose of this command?
to define the ISAKMP parameters that are used to establish the tunnel
to define the encryption and integrity algorithms that are used to build the IPsec tunnel
to define what traffic is allowed through and protected by the tunnel
to define only the allowed encryption algorithms
- Which transform set provides the best protection?
crypto ipsec transform-set ESP-DES-SHA esp-aes-256 esp-sha-hmac
crypto ipsec transform-set ESP-DES-SHA esp-3des esp-sha-hmac
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto ipsec transform-set ESP-DES-SHA esp-aes esp-des esp-sha-hmac
- Which three ports must be open to verify that an IPsec VPN tunnel is operating properly? (Choose three.) [Please compare and confirm with Q27]
168
50
169
501
500
51
- When is a security association (SA) created if an IPsec VPN tunnel is used to connect between two sites?
after the tunnel is created, but before traffic is sent
only during Phase 2
only during Phase 1
during both Phase 1 and 2
- In which situation would the Cisco Discovery Protocol be disabled?
when a Cisco VoIP phone attaches to a Cisco switch
when a Cisco switch connects to another Cisco switch
when a Cisco switch connects to a Cisco router
when a PC with Cisco IP Communicator installed connects to a Cisco switch
- Which two statements accurately describe characteristics of IPsec? (Choose two.)
IPsec works at the transport layer and protects data at the network layer.
IPsec is a framework of proprietary standards that depend on Cisco specific algorithms.
IPsec is a framework of standards developed by Cisco that relies on OSI algorithms.
IPsec is a framework of open standards that relies on existing algorithms.
IPsec works at the network layer and operates over all Layer 2 protocols.
IPsec works at the application layer and protects all application data.
- Which action do IPsec peers take during the IKE Phase 2 exchange?
exchange of DH keys
negotiation of IPsec policy
negotiation of IKE policy sets
verification of peer identity
- Which three statements describe the IPsec protocol framework? (Choose three.)
AH provides integrity and authentication.
ESP provides encryption, authentication, and integrity.
AH uses IP protocol 51.
AH provides encryption and integrity.
ESP uses UDP protocol 50.
ESP requires both authentication and encryption.
- Which statement accurately describes a characteristic of IPsec?
IPsec works at the application layer and protects all application data.
IPsec is a framework of standards developed by Cisco that relies on OSI algorithms.
IPsec is a framework of proprietary standards that depend on Cisco specific algorithms.
IPsec works at the transport layer and protects data at the network layer.
IPsec is a framework of open standards that relies on existing algorithms.
- Which two IPsec protocols are used to provide data integrity?
SHA
AES
DH
MD5
RSA
- What is the function of the Diffie-Hellman algorithm within the IPsec framework?
provides authentication
allows peers to exchange shared keys
guarantees message integrity
provides strong data encryption
- Refer to the exhibit. What HMAC algorithm is being used to provide data integrity?
MD5
AES
SHA
DH
- What is needed to define interesting traffic in the creation of an IPsec tunnel?
security associations
hashing algorithm
access list
transform set
- Refer to the exhibit. What algorithm will be used for providing confidentiality?
RSA
Diffie-Hellman
DES
AES
- Which technique is necessary to ensure a private transfer of data using a VPN?
encryption
authorization
virtualization
scalability
- Which statement describes a VPN?
VPNs use open source virtualization software to create the tunnel through the Internet.
VPNs use virtual connections to create a private network through a public network.
VPNs use dedicated physical connections to transfer data between remote users.
VPNs use logical connections to create public networks through the Internet.
- Which protocol provides authentication, integrity, and confidentiality services and is a type of VPN?
ESP
IPsec
MD5
AES
- What is the purpose of NAT-T?
enables NAT for PC-based VPN clients
permits VPN to work when NAT is being used on one or both ends of the VPN
upgrades NAT for IPv4
allows NAT to be used for IPv6 addresses
- Which term describes a situation where VPN traffic that is is received by an interface is routed back out that same interface?
GRE
split tunneling
MPLS
hairpinning
- What is an important characteristic of remote-access VPNs?
The VPN configuration is identical between the remote devices.
Internal hosts have no knowledge of the VPN.
Information required to establish the VPN must remain static.
The VPN connection is initiated by the remote user.
- Which type of site-to-site VPN uses trusted group members to eliminate point-to-point IPsec tunnels between the members of a group?
DMVPN
GRE
GETVPN
MPLS
- Refer to the exhibit. Which pair of crypto isakmp key commands would correctly configure PSK on the two routers?
R1(config)# crypto isakmp key cisco123 address 209.165.200.227
R2(config)# crypto isakmp key cisco123 address 209.165.200.226
R1(config)# crypto isakmp key cisco123 address 209.165.200.226
R2(config)# crypto isakmp key cisco123 address 209.165.200.227
R1(config)# crypto isakmp key cisco123 hostname R1
R2(config)# crypto isakmp key cisco123 hostname R2
R1(config)# crypto isakmp key cisco123 address 209.165.200.226
R2(config)# crypto isakmp key secure address 209.165.200.227
- Which two ports must be open to verify that an IPsec VPN tunnel is operating properly? (Choose two.) [Please compare and confirm with Q7]
51
50
If you would like to view old questions collections from previous version: CCNAS Chapter 8 Test v1.1/v1.2
Do comment below if you have new questions for this chapter or email directly to [email protected]. Thank you
Please can you make the other chapters and exam for CCNA Security version 2.0?? I have an upcoming exam of version 2.0 and need to pass for my bachelors degree while I will not get the cisco certification for it…
Hi. sorry. so far i do not have other chapters or final exam. There are numbers of people asking and taking the exam, but no one willing to share with me yet.
CCNA Security: Implementing Network Security (Version 2.0) – CCNAS Final Exam
1
Which security implementation will provide control plane protection for a network
device?
encryption for remote access connections
AAA for authenticating management access
routing protocol authentication
NTP for consistent timestamps on logging messages
2
What is the one major difference between local AAA authentication and using
the login local command when configuring device access authentication?
Local AAA authentication provides a way to configure backup methods of authentication, but login local does not.
The login local command requires the administrator to manually configure the usernames and passwords, but local AAA authentication does not.
Local AAA authentication allows more than one user account to be configured, but login local does not.
The login local command uses local usernames and passwords stored on the router, but local AAA authentication does not.
3
Refer to the exhibit. A network administrator configures AAA authentication on
R1. The administrator then tests the configuration by telneting to R1. The ACS
servers are configured and running. What will happen if the authentication fails?
The enable secret password could be used in the next login attempt.
The authentication process stops.
The username and password of the local user database could be used in the next login attempt.
The enable secret password and a random username could be used in the next login attempt.
4
What are two tasks that can be accomplished with the Nmap and Zenmap
network tools? (Choose two.)
password recovery
password auditing
identification of Layer 3 protocol support on hosts
TCP and UDP port scanning
validation of IT system configuration
5
Which Cisco IOS subcommand is used to compile an IPS signature into memory?
retired true
event-action produce-alert
retired false
event-action deny-attacker-inline
6
Why are DES keys considered weak keys?
They are more resource intensive.
DES weak keys use very long key sizes.
They produce identical subkeys.
DES weak keys are difficult to manage.
7
What is a benefit of using a next-generation firewall rather than a stateful firewall?
reactive protection against Internet attacks
granularity control within applications
support of TCP-based packet filtering
support for logging
8
What is a result of securing the Cisco IOS image using the Cisco IOS Resilient
Configuration feature?
When the router boots up, the Cisco IOS image is loaded from a secured FTP location.
The Cisco IOS image file is not visible in the output of the show flash command.
The Cisco IOS image is encrypted and then automatically backed up to the NVRAM.
The Cisco IOS image is encrypted and then automatically backed up to a TFTP server.
9
The corporate security policy dictates that the traffic from the remote-access VPN
clients must be separated between trusted traffic that is destined for the corporate
subnets and untrusted traffic destined for the public Internet. Which VPN solution
should be implemented to ensure compliance with the corporate policy?
MPLS
hairpinning
GRE
split tunneling
10
Which two conditions must be met in order for a network administrator to be able to
remotely manage multiple ASAs with Cisco ASDM? (Choose two.)
The ASAs must all be running the same ASDM version.
Each ASA must have the same enable secret password.
Each ASA must have the same master passphrase enabled.
The ASAs must be connected to each other through at least one inside interface.
ASDM must be run as a local application.
11
What is negotiated in the establishment of an IPsec tunnel between two IPsec hosts
during IKE Phase 1?
ISAKMP SA policy
DH groups
interesting traffic
transform sets
12
What are two benefits of using a ZPF rather than a Classic Firewall? (Choose two.)
ZPF allows interfaces to be placed into zones for IP inspection.
The ZPF is not dependent on ACLs.
Multiple inspection actions are used with ZPF.
ZPF policies are easy to read and troubleshoot.
With ZPF, the router will allow packets unless they are explicitly blocked.
13
Which security policy characteristic defines the purpose of standards?
step-by-step details regarding methods to deploy company switches
recommended best practices for placement of all company switches
required steps to ensure consistent configuration of all company switches
list of suggestions regarding how to quickly configure all company switches
14
What algorithm is used to provide data integrity of a message through the use of a
calculated hash value?
RSA
DH
AES
HMAC
15
On which port should Dynamic ARP Inspection (DAI) be configured on a switch?
an uplink port to another switch
on any port where DHCP snooping is disabled
any untrusted port
access ports only
16
What is a feature of a Cisco IOS Zone-Based Policy Firewall?
A router interface can belong to only one zone at a time.
Service policies are applied in interface configuration mode.
Router management interfaces must be manually assigned to the self zone.
The pass action works in multiple directions.
17
Refer to the exhibit. The administrator can ping the S0/0/1 interface of RouterB but is
unable to gain Telnet access to the router by using the password cisco123. What is a possible cause of the problem?
The Telnet connection between RouterA and RouterB is not working correctly.
The password cisco123 is wrong.
The administrator does not have enough rights on the PC that is being used.
The enable password and the Telnet password need to be the same.
18
Refer to the exhibit. The ip verify source command is applied on untrusted interfaces. Which type of attack is mitigated by using this configuration?
DHCP spoofing
DHCP starvation
STP manipulation
MAC and IP address spoofing
19
Refer to the exhibit. Which conclusion can be made from the show crypto map
command output that is shown on R1?
The crypto map has not yet been applied to an interface.
The current peer IP address should be 172.30.2.1.
There is a mismatch between the transform sets.
The tunnel configuration was established and can be tested with extended pings.
20
What type of algorithms require sender and receiver to exchange a secret key that is
used to ensure the confidentiality of messages?
symmetric algorithms
hashing algorithms
asymmetric algorithms
public key algorithms
21
What is an advantage in using a packet filtering firewall versus a high-end firewall
appliance?
Packet filters perform almost all the tasks of a high-end firewall at a fraction of the cost.
Packet filters provide an initial degree of security at the data-link and network layer.
Packet filters represent a complete firewall solution.
Packet filters are not susceptible to IP spoofing.
22
Refer to the exhibit. In the network that is shown, which AAA command logs the use
of EXEC session commands?
aaa accounting network start-stop group tacacs+
aaa accounting network start-stop group radius
aaa accounting connection start-stop group radius
aaa accounting exec start-stop group radius
aaa accounting connection start-stop group tacacs+
aaa accounting exec start-stop group tacacs+
23
A network administrator enters the single-connection command. What effect does this command have on AAA operation?
allows a new TCP session to be established for every authorization request
authorizes connections based on a list of IP addresses configured in an ACL on a Cisco ACS server
allows a Cisco ACS server to minimize delay by establishing persistent TCP connections
allows the device to establish only a single connection with the AAA-enabled server
24
Which two practices are associated with securing the features and performance of router operating systems? (Choose two.)
Install a UPS.
Keep a secure copy of router operating system images.
Configure the router with the maximum amount of memory possible.
Disable default router services that are not necessary.
Reduce the number of ports that can be used to access the router.
25
Which statement describes a characteristic of the IKE protocol?
It uses UDP port 500 to exchange IKE information between the security gateways.
IKE Phase 1 can be implemented in three different modes: main, aggressive, or quick.
It allows for the transmission of keys directly across a network.
The purpose of IKE Phase 2 is to negotiate a security association between two IKE peers.
26
Refer to the exhibit. If a network administrator is using ASDM to configure a site-to-site
VPN between the CCNAS-ASA and R3, which IP address would the administrator use
for the peer IP address textbox on the ASA if data traffic is to be encrypted between the
two remote LANs?
209.165.201.1
192.168.1.3
172.16.3.1
172.16.3.3
192.168.1.1
27
Refer to the exhibit. Based on the security levels of the interfaces on the ASA, what statement correctly describes the flow of traffic allowed on the interfaces?
Traffic that is sent from the LAN and the Internet to the DMZ is considered inbound.
Traffic that is sent from the DMZ and the Internet to the LAN is considered outbound.
Traffic that is sent from the LAN to the DMZ is considered is considered inbound.
Traffic that is sent from the DMZ and the LAN to the Internet is considered outbound.
28
What two assurances does digital signing provide about code that is downloaded from
the Internet? (Choose two.)
The code contains no errors.
The code contains no viruses.
The code has not been modified since it left the software publisher.
The code is authentic and is actually sourced by the publisher.
The code was encrypted with both a private and public key.
29
Which interface option could be set through ASDM for a Cisco ASA?
default route
access list
VLAN ID
NAT/PAT
30
What are two characteristics of a stateful firewall? (Choose two.)
uses connection information maintained in a state table
uses static packet filtering techniques
analyzes traffic at Layers 3, 4 and 5 of the OSI model
uses complex ACLs which can be difficult to configure
prevents Layer 7 attacks
31
What are three characteristics of SIEM? (Choose three.)
can be implemented as software or as a service
Microsoft port scanning tool designed for Windows
examines logs and events from systems and applications to detect security threats
consolidates duplicate event data to minimize the volume of gathered data
uses penetration testing to determine most network vulnerabilities
provides real-time reporting for short-term security event analysis
32
Which type of traffic is subject to filtering on an ASA 5505 device?
public Internet to inside
public Internet to DMZ
inside to DMZ
DMZ to inside
33
Which IDS/IPS signature alarm will look for packets that are destined to or from a
particular port?
honey pot-based
anomaly-based
signature-based
policy-based
34
Which three actions can the Cisco IOS Firewall IPS feature be configured to take when
an intrusion activity is detected? (Choose three.)
reset UDP connection
reset TCP connection
alert
isolate
inoculate
drop
35
Which two protocols can be selected using the Cisco AnyConnect VPN Wizard to
protect the traffic inside a VPN tunnel? (Choose two.)
Telnet
SSH
SSL
ESP
IPsec
36
What is a characteristic of a role-based CLI view of router configuration?
When a superview is deleted, the associated CLI views are deleted.
A single CLI view can be shared within multiple superviews.
A CLI view has a command hierarchy, with higher and lower views.
Only a superview user can configure a new view and add or remove commands from the existing views.
37
38
Which statement describes the use of certificate classes in the PKI?
A class 5 certificate is more trustworthy than a class 4 certificate.
Email security is provided by the vendor, not by a certificate.
The lower the class number, the more trusted the certificate.
A vendor must issue only one class of certificates when acting as a CA.
39
Refer to the exhibit. An administrator issues these IOS login enhancement commands
to increase the security for login connections. What can be concluded about them?
Because the login delay command was not used, a one-minute delay between login attempts is assumed.
The hosts that are identified in the ACL will have access to the device.
The login block-for command permits the attacker to try 150 attempts before being stopped to try again.
These enhancements apply to all types of login connections.
40
A company deploys a Cisco ASA with the Cisco CWS connector enabled as the firewall
on the border of corporate network. An employee on the internal network is accessing a public website. What should the employee do in order to make sure the web traffic is protected by the Cisco CWS?
Register the destination website on the Cisco ASA.
Use the Cisco AnyConnect Secure Mobility Client first.
Use a web browser to visit the destination website.
First visit a website that is located on a web server in the Cisco CWS infrastructure.
41
An administrator assigned a level of router access to the user ADMIN using the
commands below.
Router(config)# privilege exec level 14 show ip route
Router(config)# enable algorithm-type scrypt secret level 14 cisco-level-10
Router(config)# username ADMIN privilege 14 algorithm-type scrypt secret cisco-level-10
Which two actions are permitted to the user ADMIN? (Choose two.)
The user can execute all subcommands under the show ip interfaces command.
The user can issue the show version command.
The user can only execute the subcommands under the show ip route command.
The user can issue all commands because this privilege level can execute all Cisco IOS commands.
The user can issue the ip route command.
42
What mechanism is used by an ASA 5505 device to allow inspected outbound traffic to return to the originating sender who is on an inside network?
Network Address Translation
access control lists
security zones
stateful packet inspection
43
Which two end points can be on the other side of an ASA site-to-site VPN configured
using ASDM? (Choose two.)
DSL switch
Frame Relay switch
ISR router
another ASA
multilayer switch
44
What Layer 2 attack is mitigated by disabling Dynamic Trunking Protocol?
DHCP spoofing
ARP spoofing
VLAN hopping
ARP poisoning
45
In an AAA-enabled network, a user issues the configure terminal command from the privileged executive mode of operation. What AAA function is at work if this command
is rejected?
authorization
authentication
auditing
accounting
46
An organization has configured an IPS solution to use atomic alerts. What type of
response will occur when a signature is detected?
A counter starts and a summary alert is issued when the count reaches a preconfigured number.
The TCP connection is reset.
An alert is triggered each time a signature is detected.
The interface that triggered the alert is shutdown.
47
What two algorithms can be part of an IPsec policy to provide encryption and hashing
to protect interesting traffic? (Choose two.)
PSK
DH
RSA
AES
SHA
48
Fill in the blank.
A stateful signature is also known as a signature.
49
Why is hashing cryptographically stronger compared to a cyclical redundancy check
(CRC)?
Hashes are never sent in plain text.
It is easy to generate data with the same CRC.
It is virtually impossible for two different sets of data to calculate the same hash output.
Hashing always uses a 128-bit digest, whereas a CRC can be variable length.
50
A network analyst wants to monitor the activity of all new interns. Which type of
security testing would track when the interns sign on and sign off the network?
vulnerability scanning
password cracking
network scanning
integrity checker
51
Refer to the exhibit. What two pieces of information can be gathered from the
generated message? (Choose two.)
This message is a level five notification message.
This message indicates that service timestamps have been globally enabled.
This message indicates that enhanced security was configured on the vty ports.
This message appeared because a major error occurred that requires immediate action.
This message appeared because a minor error occurred that requires further investigation.
52
What is required for auto detection and negotiation of NAT when establishing a
VPN link?
Both VPN end devices must be configured for NAT.
No ACLs can be applied on either VPN end device.
Both VPN end devices must be NAT-T capable.
Both VPN end devices must be using IPv6.
53
Refer to the exhibit. The network administrator is configuring the port security feature
on switch SWC. The administrator issued the command show port-security interface
fa 0/2 to verify the configuration. What can be concluded from the output that is shown? (Choose three.)
Three security violations have been detected on this interface.
This port is currently up.
The port is configured as a trunk link.
Security violations will cause this port to shut down immediately.
There is no device currently connected to this port.
The switch port mode for this interface is access mode.
54
In which two instances will traffic be denied as it crosses the ASA 5505 device?
(Choose two.)
traffic originating from the inside network going to the DMZ network
traffic originating from the inside network going to the outside network
traffic originating from the outside network going to the DMZ network
traffic originating from the DMZ network going to the inside network
traffic originating from the outside network going to the inside network
55
Refer to the exhibit. Based on the configuration that is shown, which statement is true
about the IPS signature category?
Only signatures in the ios_ips advanced category will be compiled into memory for scanning.
All signatures categories will be compiled into memory for scanning, but only those signatures within the ios_ips advanced
category will be used for scanning purposes.
All signature categories will be compiled into memory for scanning, but only those signatures in the ios_ips basic category
will be used for scanning purposes.
Only signatures in the ios_ips basic category will be compiled into memory for scanning.
56
Which two ports can send and receive Layer 2 traffic from a community port on a
PVLAN? (Choose two.)
community ports belonging to other communities
promiscuous ports
isolated ports within the same community
PVLAN edge protected ports
community ports belonging to the same community
57
What is a feature of the TACACS+ protocol?
It utilizes UDP to provide more efficient packet transfer.
It combines authentication and authorization as one process.
It encrypts the entire body of the packet for more secure communications.
It hides passwords during transmission using PAP and sends the rest of the packet in plaintext.
58
Which security measure is best used to limit the success of a reconnaissance attack
from within a campus area network?
Implement restrictions on the use of ICMP echo-reply messages.
Implement a firewall at the edge of the network.
Implement access lists on the border router.
Implement encryption for sensitive traffic.
59
What is the benefit of the network-based IPS (NIPS) over host-based IPS (HIPS)
deployment models?
NIPS provides individual host protection.
NIPS relies on centrally managed software agents.
NIPS monitors all operations within an operating system.
NIPS monitors network segments.
60
What represents a best practice concerning discovery protocols such as CDP and
LLDP on network devices?
Enable CDP on edge devices, and enable LLDP on interior devices.
Use the default router settings for CDP and LLDP.
Use the open standard LLDP rather than CDP.
Disable both protocols on all interfaces where they are not required.
TQVM Oksana. i have post the questions at CCNA Security Final Exam v2.0
Which two protocols must be allowed for an IPsec VPN tunnel is operate properly? (Choose two.)
**50
**51
501
169
500
168
Hi, is it protocols or ports?
Question 7 is not correct the question is
Which two ports must be open to verify that an IPsec VPN tunnel is operating properly? (Choose two.)
The answer is 51 and 50
Hi Nick, i’m not sure if the questions have two versions or they change maybe due to correction. Nevertheless, i add Q27 and put remarks to compare question before answering. Should we confirmed the old question no longer exists, we will removed it. Thank you
I’m taking the test now in 2018 and they changed it to Which two protocols must be allowed for an IPsec VPN tunnel is operate properly? (Choose two.)
Hi Scott, the answer options still the same?
yes it is correct, I just took the test. April 2018