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It321 Final Exam

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1 By default, how often does RIP broadcast routing updates?(ch1) Every 30 seconds
2 What is the maximum allowable hop count for RIP? (ch1) 15
3 What are the four areas that are responsible for most of the call failures? (Ch9,T-253)DTMF receivers
4 What has the following responsibilities: system recovery, software upgrades, storage of global routing information, distribution of information to all subsystems, and billing. (ch.9,T-233) Central Processing System (CPS)
5 How can link-state protocols limit the scope of route changes? (ch2) By segmenting the network into area hierarchies
6 What are two characteristics of OSPF? (ch.2) Hierarchical, Open standard
7 One disadvantage of using _________ is that fraudulent calls can be placed using a black box tone generator. Another common problem is the amount of bandwidth used to carry the signaling information. (ch. 10,T-264) Single-Frequency (SF) Signaling
8 Which are the problems with Channel Associated Signaling (CAS)? (ch.10,T-267/8) inability to carry signaling messages with special feature information
9 What could cause the message "RIP: bad version 128 from 160.89.80.43" to be displayed in the output of the debug ip rip command? (ch3,C-75) a. Receiving a malformed packet
10 The output from which command includes the number of packets sent and received. (c. 3,C-75) c. show ip eigrp traffic
11 What are the four most common problems with VoIP services? (ch.11,T-291)Choppiness, Dead air, Echo, Talking over
12 An MOS score of 2 indicates the call was _______. (Ch11,T-291) indicates the call is poor
13 Ethernet switching or bridging _____ the available bandwidth of a network by creating _____ network segments. (ch4) c. Increases, dedicated
14 Which layer of the OSI model does a LAN switch use to make a forwarding decision? (ch4) b. Layer

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It321 Final Exam

...1 By default, how often does RIP broadcast routing updates?(ch1) Every 30 seconds 2 What is the maximum allowable hop count for RIP? (ch1) 15 3 What are the four areas that are responsible for most of the call failures? (Ch9,T-253)DTMF receivers 4 What has the following responsibilities: system recovery, software upgrades, storage of global routing information, distribution of information to all subsystems, and billing. (ch.9,T-233) Central Processing System (CPS) 5 How can link-state protocols limit the scope of route changes? (ch2) By segmenting the network into area hierarchies 6 What are two characteristics of OSPF? (ch.2) Hierarchical, Open standard 7 One disadvantage of using _________ is that fraudulent calls can be placed using a black box tone generator. Another common problem is the amount of bandwidth used to carry the signaling information. (ch. 10,T-264) Single-Frequency (SF) Signaling 8 Which are the problems with Channel Associated Signaling (CAS)? (ch.10,T-267/8) inability to carry signaling messages with special feature information 9 What could cause the message "RIP: bad version 128 from 160.89.80.43" to be displayed in the output of the debug ip rip command? (ch3,C-75) a. Receiving a malformed packet 10 The output from which command includes the number of packets sent and received. (c. 3,C-75) c. show ip eigrp traffic 11 What are the four most common problems with VoIP services? (ch.11,T-291)Choppiness, Dead air...

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