Cisco® Network Professional's: Advanced Internetworking Guide

12.5. Review Questions

1. Which IPsec protocol does both encryption and authentication?

   1. AH

   2. ESP

   3. PPTP

   4. GRE

2. What is the default encryption type when using SDM to configure an IPsec VPN tunnel?

   1. DES

   2. AES

   3. 3DES

   4. RSA

3. When an IPsec VPN tunnel is configured, how does the router determine what traffic is to traverse the VPN tunnel?

   1. Policy map

   2. Access list

   3. Transform set

   4. Tunnel list

4. If you were working in IOS command line and needed to check on the status of a VPN tunnel, what command would you enter?

   1. show interface

   2. show access-list

   3. show crypto isakamp

   4. show crypto ipsec sa

5. Once again, if you were working in IOS command line, in a single command, what could you do to determine the "interesting traffic" for a particular VPN tunnel?

   1. show interesting traffic

   2. show access-list

   3. show crypto ...