CIST 2455 Final

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

38. Which statement describes the use of certificate classes in the PKI?

A class 5 certificate is more trustworthy than a class 4 certificate.

65. What is the purpose of a local username database if multiple ACS servers are configured to provide authentication services?

A local username database provides redundancy if ACS servers become unreachable. [adef]

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.

36. What is a characteristic of a role-based CLI view of router configuration?

A single CLI view can be shared within multiple superviews.

48. Fill in the blank.

A stateful signature is also known as a signature.

47. What two algorithms can be part of an IPsec policy to provide encryption and hashing to protect interesting traffic? (Choose two.)

AES SHA

46. An organization has configured an IPS solution to use atomic alerts. What type of response will occur when a signature is detected?

An alert is triggered each time a signature is detected.

52. What is required for auto detection and negotiation of NAT when establishing a VPN link?

Both VPN end devices must be NAT-T capable.

60. What represents a best practice concerning discovery protocols such as CDP and LLDP on network devices?

Disable both protocols on all interfaces where they are not required.

14. What algorithm is used to provide data integrity of a message through the use of a calculated hash value?

HMAC

11. What is negotiated in the establishment of an IPsec tunnel between two IPsec hosts during IKE Phase 1?

ISAKMP SA policy

43. Which two end points can be on the other side of an ASA site-to-site VPN configured using ASDM? (Choose two.)

ISR router another ASA

58. Which security measure is best used to limit the success of a reconnaissance attack from within a campus area network?

Implement encryption for sensitive traffic.

57. What is a feature of the TACACS+ protocol?

It encrypts the entire body of the packet for more secure communications.

49. Why is hashing cryptographically stronger compared to a cyclical redundancy check (CRC)?

It is virtually impossible for two different sets of data to calculate the same hash output.

25. Which statement describes a characteristic of the IKE protocol?

It uses UDP port 500 to exchange IKE information between the security gateways.

24. Which two practices are associated with securing the features and performance of router operating systems? (Choose two.)

Keep a secure copy of router operating system images. Configure the router with the maximum amount of memory possible.

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.

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?

MAC and IP address spoofing

59. What is the benefit of the network-based IPS (NIPS) over host-based IPS (HIPS) deployment models?

NIPS monitors all operations within an operating system.

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 basic category will be compiled into memory for scanning.

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.

37. Match the network security testing technique with how it is used to test network security. (Not all options are used)

Penetration testing = used to determine the possible consequences of successful attacks on the network. Vulnerability scanning = used to find weaknesses and misconfigurations on network systems. Network scanning = used to discover available resources on the network.

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

35. Which two protocols can be selected using the Cisco AnyConnect VPN Wizard to protect the traffic inside a VPN tunnel? (Choose two.)

SSL, IPsec

64. What is indicated by the use of the local-case keyword in a local AAA authentication configuration command sequence?

That passwords and usernames are case-sensitive.

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. ASDM must be run as a local application.

8. What is a result of securing the Cisco IOS image using the Cisco IOS Resilient Configuration feature?

The Cisco IOS image file is not visible in the output of the show flash command.

12. What are two benefits of using a ZPF rather than a Classic Firewall? (Choose two.)

The ZPF is not dependent on ACLs. ZPF policies are easy to read and troubleshoot.

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 authentication process stops.

28. What two assurances does digital signing provide about code that is downloaded from the Internet? (Choose two.)

The code has not been modified since it left the software publisher. The code is authentic and is actually sourced by the publisher.*

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.

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?

The hosts that are identified in the ACL will have access to the device.

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 password cisco123 is wrong.

Which two actions are permitted to the user ADMIN? (Choose two.)

The user can issue the show version command. The user can only execute the subcommands under the show ip route command.

6. Why are DES keys considered weak keys?

They produce identical subkeys.

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.

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.)

This port is currently up. Security violations will cause this port to shut down immediately. There is no device currently connected to this port

1. Refer to the exhibit. Based on the security levels of the interfaces on ASA1, what traffic will be allowed on the interfaces? [Similar with Question 27]

Traffic from the LAN and DMZ can access the Internet.

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 DMZ and the LAN to the Internet is considered outbound.

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?

Use a web browser to visit the destination website.

29. Which interface option could be set through ASDM for a Cisco ASA?

VLAN ID*

44. What Layer 2 attack is mitigated by disabling Dynamic Trunking Protocol?

VLAN hopping

22. Refer to the exhibit. In the network that is shown, which AAA command logs the use of EXEC session commands?

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 Cisco ACS server to minimize delay by establishing persistent TCP connections

15. On which port should Dynamic ARP Inspection (DAI) be configured on a switch?

an uplink port to another switch

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

62. What is the function of a policy map configuration when an ASA firewall is being configured?

binding class maps with actions

31. What are three characteristics of SIEM? (Choose three.)

can be implemented as software or as a service examines logs and events from systems and applications to detect security threats consolidates duplicate event data to minimize the volume of gathered data*

63. If a network administrator wants to track the usage of FTP services, which keyword or keywords should be added to the aaa accounting command?

exec*

7. What is a benefit of using a next-generation firewall rather than a stateful firewall?

granularity control within applications

4. What are two tasks that can be accomplished with the Nmap and Zenmap network tools? (Choose two.)

identification of Layer 3 protocol support on hosts TCP and UDP port scanning

32. Which type of traffic is subject to filtering on an ASA 5505 device?

inside to DMZ

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?

integrity checker

67. What are two reasons to enable OSPF routing protocol authentication on a network? (Choose two.)

prevent data traffic from being redirected and then discarded to prevent redirection of data traffic to an insecure link

56. Which two ports can send and receive Layer 2 traffic from a community port on a PVLAN? (Choose two.)

promiscuous ports community ports belonging to the same community

13. Which security policy characteristic defines the purpose of standards?

required steps to ensure consistent configuration of all company switches

68. A security awareness session is best suited for which topic?

required steps when reporting a breach of security

34. Which three actions can the Cisco IOS Firewall IPS feature be configured to take when an intrusion activity is detected? (Choose three.)

reset TCP connection, alert, drop

5. Which Cisco IOS subcommand is used to compile an IPS signature into memory?

retired false

66. Which security implementation will provide control plane protection for a network device?

routing protocol authentication

61. What function is provided by the Tripwire network security tool?

security policy compliance

33. Which IDS/IPS signature alarm will look for packets that are destined to or from a particular port?

signature-based

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?

split tunneling

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?

stateful packet inspection

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

54. In which two instances will traffic be denied as it crosses the ASA 5505 device? (Choose two.)

traffic originating from the DMZ network going to the inside network traffic originating from the outside network going to the inside network

30. What are two characteristics of a stateful firewall? (Choose two.)

uses connection information maintained in a state table analyzes traffic at Layers 3, 4 and 5 of the OSI model