CCNA Cisco Certified Network Associate Study Guide - FTP Server

540 Chapter 10 � Wide Area Networking Protocols
Answers to Review Questions
1. A, B, and D. The PPP protocols are HDLC and LCP at the MAC sublayer
of the Data Link layer, and NCP at the LLC sublayer of the Data
Link layer.
2. C. ISDN can support voice, video, and data.
3. A. Cisco routers support two Frame Relay encapsulation types: Cisco
and IETF.
4. B. Cisco routers support three LMI types: Cisco, ANSI, and Q.933A.
5. C. Internet Engineering Task Force (IETF) is the encapsulation
method used when connecting Frame Relay to non-Cisco routers.
6. D . The default LMI type is Cisco.
7. C. Frame Relay uses a PVC at the Data Link layer.
8. D. The ISDN specification that is used for switching and signaling is
the Q specification.
9. B, E. You can use the commands show running-config and show
frame-relay pvc to see the DLCI numbers configured on your
router.
10. B. Inverse ARP is used to map Network-layer protocol addresses to
DLCI numbers.
11. D. BRI is two DS0s, which are 64Kbps each. It also has one Data
channel of 16Kbps to provide clocking.
12. C. DLCI is required to be used on each circuit with Frame Relay. The
DLCI number identifies the PVC of each circuit. PVCs are logical links
between two DTE devices.
13. A. The show frame-relay pvc command will show the PVCs configured
and the associated DLCI numbers.