Chapter Review

1.?

Which one of the following is not one of the tasks required to configure IPSec for Preshared Keys?

1. Configure IPSec

2. Prepare for IKE and IPSec

3. Test and verify IPSec

4. Configure the crypto map

2.?

Which of the following VPN products would be common for mobile users?

1. Cisco 1700 router

2. Cisco 900 Cable/DSL router

3. Cisco VPN Software Client

4. Cisco VPN Hardware Client

3.?

Which one of the following is a hybrid protocol that implements the Oakley key exchange?

1. IPSec

2. Crypto map

3. IKE

4. Hash algorithm

4.?

Which of the following is a peer authentication method?

1. 3DES

2. SHA-1

3. MD5

4. Preshared keys

5.?

Which of the following preparation steps is done using the ping command?

1. Identify IPSec peers

2. Check the current configuration

3. Ensure the network works without encryption

4. Ensure access control lists are compatible with IPSec

6.?

Which one of the following is not an IKE Phase 1 parameter?

1. Encryption algorithm

2. Traffic to protect

3. Authentication method

4. DH key exchange group

7.?

To make sure the router ACLs are IPSec-compatible, which is not required to be permitted?

1. Port 500

2. Port 510

3. Protocol 51

4. Protocol 50

8.?

If the crypto isakmp policy command were used to create policies with the following priorities, which would be processed first?

1. 1000

2. 500

3. 12

4. 25

9.?

If the crypto isakmp policy lifetime is set to 43,200, to what does the 43,200 refer?

1. 43,200 bytes of protected throughput

2. 43,200 hours

3. half a day

4. 43,200 lines of protected throughput

10.?

Which command shows the IKE policies and default values?

1. show running-config

2. show isakmp policy

3. show crypto ike policy

4. show crypto isakmp policy

11.?

A transform set can contain up to how many transforms?

1. 4

2. 6

3. 3

4. 1

12.?

Which is not a function of a crypto ACL?

1. Define the dataflow to be protected by IPSec

2. Discard inbound traffic that should have been protected by IPSec

3. Filter outbound traffic for access to the Internet

4. Define the data flow to pass unprotected by IPSec

13.?

Which of the following is not true?

1. The crypto ACL determines the traffic to be protected

2. The global crypto map command ties together the IPSec parameters

3. The interface crypto map command applies the crypto map to an interface

4. The global crypto map policy command sets the implementation priority

14.?

Which command shows IPSec performance indicators?

1. show crypto map

2. show crypto ipsec sa

3. show crypto ipsec transform-set

4. show crypto isakmp policy

15.?

Which statement is not true about the ipsec-manual form of the crypto map command?

1. It doesn’t scale well

2. The result can be insecure because of difficulty in manually creating secure keying material

3. It enhances the flexibility of the crypto ACLs

4. Manually established SAs never expire