problem 1) In the network with dozens of switches, how many root bridges will you have?

A. 1   
B. 2
C. 5
D. 12

problem 2) What PPP protocol provides dynamic addressing, authentication, and multilink?

A. NCP   
B. HDLC
C. LCP   
D. X.25

problem 3) What is a stub network?

A. A network with more than one exit point.
B. A network with more than one exit and entry point.
C. A network with only one entry and no exit point.
D. A network that has only one entry and exit point.

problem 4) If your router is facilitating the CSU/DSU, which of the following commands do you require to use to provide router with the 64000bps serial link?

A. RouterA(config)#bandwidth 64
B. RouterA(config-if)#bandwidth 64000
C. RouterA(config-if)#clock rate 64
D. RouterA(config-if)#clock rate 64000

problem 5) Which one of the following is true regarding VLANs?

A. Two VLANs are configured by default on all Cisco switches.
B. VLANs only work if you have complete Cisco switched internetwork. No off-brand switches are allowed.
C. You must not have more than 10 switches in the same VTP domain.
D. VTP is used to send VLAN information to switches in a configured VTP domain.

problem 6) What does a VLAN do?

A. Acts as the fastest port to all servers.
B. Provides multiple collision domains on one switch port.
C. Breaks up broadcast domains in a layer 2 switch internetwork.
D. Provides multiple broadcast domains within a single collision domain.

problem 7) What is the major reason the OSI model was created?

A. To create the layered model larger than the DoD model.
B. So application developers could change only one layer's protocols at a time.
C. So different networks can communicate.
D. So Cisco could use the model.

problem 8) How many collision domains are created when you segment the network with a 12-port switch?

A. 1   
B. 2
C. 5   
D. 12

problem 9) What command would display a line, protocol, DLCI, and LMI information of the interface?

A. sh pvc
B. show interface
C. show frame-relay pvc
D. show run

problem 10) Which protocol does Ping use?

A. TCP   
B. ARP
C. ICMP   
D. BootP