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单选题
How often are IS-IS Hello packets transmitted?（）
A
3 seconds for DIS; 9 seconds for non-DIS
B
9 seconds for DIS; 3 seconds for non-DIS
C
10 seconds for DIS; 3 seconds for non-DIS
D
10 seconds for all routers
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更多 “单选题How often are IS-IS Hello packets transmitted?（）A 3 seconds for DIS; 9 seconds for non-DISB 9 seconds for DIS; 3 seconds for non-DISC 10 seconds for DIS; 3 seconds for non-DISD 10 seconds for all routers” 相关考题
考题
Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?()
A. An Adjacency is formed.B. No IS-IS PDUs are sent.C. An Adjacency does not form.D. An Adjacency forms but traffic is not forwarded.
考题
Which two IS－IS hello values must match to form a Level 1 IS－IS adjacency? ()
A.AFIB.AreaC.System idD.N-Selector
考题
How often are IS－IS Hello packets transmitted?()
A. 3 seconds for DIS; 9 seconds for non-DISB. 9 seconds for DIS; 3 seconds for non-DISC. 10 seconds for DIS; 3 seconds for non-DISD. 10 seconds for all routers
考题
Refer to the exhibit. On the basis of the configuration provided, how are the Hello packets sent by R2 handled by R5 in OSPF area 5?()
A. The Hello packets will be exchanged and adjacency will be established between routers R2 and R5.B. The Hello packets will be exchanged but the routers R2 and R5 will become neighbors only.C. The Hello packets will be dropped and no adjacency will be established between routers R2 and R5.D. The Hello packets will be dropped but the routers R 2 and R5 will become neighbors.
考题
Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）A、the voice packet will be transmitted first， followed by the FTP packet in its entiretyB、the voice packet will be transmitted first， followed by the fragmented FTP packetC、the FTP packet will be fragmented and the voice packet will be interleavedD、the FTP packet will be transmitted first in its entirety， follow by the voice packet
考题
Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A、It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB、It fragments larger packets and allows VoIP packets to be transmitted in between them.C、It stops the transmission of large packets when priority packets arrive.D、It sends high priority packets in between normal traffic packets.
考题
What is the purpose of the RSVP hello interval?（）A、It is the size of the RSVP hello packetB、It is how long it maintains RSVP neighborsC、It is the length of time between RSVP hello packetsD、It is how long the router waits before declaring a router to be down
考题
Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A、An Adjacency is formed.B、No IS-IS PDUs are sentC、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
考题
Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A、An Adjacency is formed.B、No IS-IS PDUs are sent.C、An Adjacency does not form.D、An Adjacency forms but traffic is not forwarded.
考题
Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）A、LDP hello packets are sent to TCP 646.B、LDP session packets are sent to TCP 646.C、LDP session packets are sent to TCP 711.D、LDP hello packets are sent to TCP 711.E、LDP hello packets are sent to UDP 711.F、LDP hello packets are sent to UDP 646.
考题
A stream of voice packets transmitted over a WAN network encounters differing queuing delays. One router in the path used by the voice packets delays some of the packets for 4 ms while transmitting a large video file， but delays other packets only 2 ms. Another router delays some packets 5 ms， but transmits others in 2 ms. How would you best describe this type of problem？（）A、end-to-end delayB、interference from bulk data trafficC、processing delaysD、serialization delaysE、jitter
考题
When running a Windows server， which option is used with the ping command to define the number of packets transmitted？（）A、 -nB、 -aC、 -rD、 -v
考题
Which command displays the number of packets transmitted for each NIC available on the system？（）A、entstat -vB、netstat -iC、entstat -aonD、netstat -na
考题
In IS-IS， how long will the restart helper keep the restarting router in the up state？（）A、The hello dead timer expires.B、The restart duration timer expires.C、The restarting router sets the down bit.D、The restart helper sends out three CSNPs.
考题
How often are IS-IS Hello packets transmitted?（）A、3 seconds for DIS; 9 seconds for non-DISB、9 seconds for DIS; 3 seconds for non-DISC、10 seconds for DIS; 3 seconds for non-DISD、10 seconds for all routers
考题
单选题A stream of voice packets transmitted over a WAN network encounters differing queuing delays. One router in the path used by the voice packets delays some of the packets for 4 ms while transmitting a large video file， but delays other packets only 2 ms. Another router delays some packets 5 ms， but transmits others in 2 ms. How would you best describe this type of problem？（）A
end-to-end delayB
interference from bulk data trafficC
processing delaysD
serialization delaysE
jitter
考题
多选题Which two statements about MPLS Label Distribution Protocol （LDP） are true？ （）ALDP hello packets are sent to TCP 646.BLDP session packets are sent to TCP 646.CLDP session packets are sent to TCP 711.DLDP hello packets are sent to TCP 711.ELDP hello packets are sent to UDP 711.FLDP hello packets are sent to UDP 646.
考题
单选题In IS-IS, how long will the restart helper keep the restarting router in the up state?（）A
until the hello dead timer expiresB
until the restart duration timer expiresC
until the restarting router sets the down bitD
until the restart helper sends out three CSNPs
考题
单选题How often are IS-IS Hello packets transmitted?（）A
3 seconds for DIS; 9 seconds for non-DISB
9 seconds for DIS; 3 seconds for non-DISC
10 seconds for DIS; 3 seconds for non-DISD
10 seconds for all routers
考题
单选题In IS-IS， how long will the restart helper keep the restarting router in the up state？（）A
The hello dead timer expires.B
The restart duration timer expires.C
The restarting router sets the down bit.D
The restart helper sends out three CSNPs.
考题
多选题Which two IS-IS hello values must match to form a Level 1 IS-IS adjacency？（）AAFIBAreaCSystem IDDN-Selector
考题
单选题Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A
An Adjacency is formed.B
No IS-IS PDUs are sent.C
An Adjacency does not form.D
An Adjacency forms but traffic is not forwarded.
考题
单选题Which EIGRP packet statement is true?（）A
Update packets route reliable change information only to the affected routers.B
Reply packets are multicast to IP address 224.0.0.10 using RTP.C
On high - speed links, hello packets are broadcast every 5 seconds for neighbor discovery.D
Reply packets are used to send routing updates.E
On low - speed links, hello packets are broa dcast every 15 seconds for neighbor discovery.
考题
单选题Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A
An Adjacency is formed.B
No IS-IS PDUs are sentC
An Adjacency does not form.D
An Adjacency forms but traffic is not forwarded.
考题
单选题Which statement best describes the application of link fragmentation and interleaving （LFI）？（）A
It compresses the Layer 2 payload and marks the packet as a high priority to be transmitted firstB
It fragments larger packets and allows VoIP packets to be transmitted in between them.C
It stops the transmission of large packets when priority packets arrive.D
It sends high priority packets in between normal traffic packets.
考题
单选题Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0， a voice packet is placed into the priority queue of that interface. How， and in what order， wi the packets be transmitted？（）A
the voice packet will be transmitted first， followed by the FTP packet in its entiretyB
the voice packet will be transmitted first， followed by the fragmented FTP packetC
the FTP packet will be fragmented and the voice packet will be interleavedD
the FTP packet will be transmitted first in its entirety， follow by the voice packet
考题
多选题In EIGRP, what kind of route information is stored in RAM and maintained by way of hello packets and update packets?（）ANeighbor TableBSRF TableCRTP TableDTopology TableEQuery TableFDual Table
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