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problem 1) What does RIPv2 use to prevent routing loops?

a. CIDR
b. Split horizon
c. Authentication
d. Classless masking
e. Holddown timers

A. 1 and 3
B. 2, 3 and 5
C. 2 and 5
D. 3 and 4

problem 2) Which two of the following are true regarding distance-vector and link-state routing protocols?

a. Link state sends its whole routing table out all active interfaces on periodic time intervals.
b. Distance vector sends its whole routing table out all active interfaces on periodic time intervals.
c. Link state sends updates containing the state of its own links to all routers in the internetwork.
d. Distance vector sends updates containing the state of its own links to all routers in internetwork.

A. 1 only
B. 3 only
C. 2 and 3 only
D. None of the above

problem 3) IGRP uses which of the following as default parameters for finding the best path to remote network?

a. Hop count
b. MTU
c. Cumulative interface delay
d. STP
e. Path bandwidth value

A. 1 and 3
B. 3 and 5
C. 2, 3 and 5
D. All of the above

problem 4) Network 206.143.5.0 was assigned to Acme Company to connect to its ISP. The administrator of Acme will like to configure one router with commands to access the Internet. Which commands can be configured on the Gateway router to permit Internet access to the entire network?

a. Gateway(config)# ip route 0.0.0.0 0.0.0.0 206.143.5.2
b. Gateway(config)# router rip
c. Gateway(config-router)# network 206.143.5.0
d. Gateway(config-router)# network 206.143.5.0 default

A. 1 only
B. 3 only
C. 1, 2 and 4
D. 1 and 4

problem 5) What is the function of Spanning Tree Protocol in a switched LAN?

A. To provide the mechanism for network monitoring in switched environments
B. To prevent routing loops in networks with redundant paths
C. To prevent switching loops in networks with redundant switched paths
D. To manage VLAN database across multiple switches
E. To create collision domains

problem 6) Which statement describe a spanning-tree network that has converged?

A. All switch and bridge ports are in forwarding state.
B. All switch and bridge ports are assigned as either root or designated ports.
C. All switch and bridge ports are in either the forwarding or blocking state.
D. All switch and bridge ports are either blocking or looping.

problem 7) What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

A. Forwards the switch to the first available link
B. Drops the frame
C. Floods the network with the frame looking for the device
D. Sends back a message to the originating station asking for a name resolution

problem 8) In which circumstance are multiple copies of the same unicast frame likely to be transmitted in the switched LAN?

A. During high-traffic periods
B. After broken links are reestablished
C. When upper-layer protocols require high reliability
D. In the improperly implemented redundant topology

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