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单选题What protection method is used in 4F MS-SPRing networks?()AEach fiber has half of its capacity reserved for protection.BTwo fibers carry their full capacities while the other two fibers are reserved for protection.CThe signal is sent simultaneously in 

题目
单选题
What protection method is used in 4F MS-SPRing networks?()
A

 Each fiber has half of its capacity reserved for protection.

B

 Two fibers carry their full capacities while the other two fibers are reserved for protection.

C

 The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.

D

 The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.

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相似问题和答案

第1题:

单选题
Which QoS model manages the QoS requirements for the network on a per-hop behavior (PHB) basis?()
A

best-effort delivery

B

ingress committed rate (ICR)

C

shaping and policing

D

egress committed rate (ECR)

E

Integrated Services (IntServ)

F

differentiated services (DiffServ)


正确答案: B
解析: 暂无解析

第2题:

单选题
When configuring QoS on a wireless controller, the per-user, real-time bandwidth contract isenforced for which of the following protocols?()
A

IPX

B

IP

C

UDP

D

TCP


正确答案: D
解析: 暂无解析

第3题:

多选题
What are the three models of quality of service (QoS) in a network?()
A

Resource Reservation Protocol (RSVP)

B

first-in, first-out (FIFO)

C

best-effort

D

CBWFQ

E

IntServ

F

DiffServ


正确答案: B,D
解析: 暂无解析

第4题:

单选题
You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may have caused this problem?()
A

the minimum data rate is not set to 11 mbps.

B

publicly secure packet forwarding is enabled.

C

the access point is set to the least congested channel.

D

an address resolution protocol has been disabled.


正确答案: A
解析: 暂无解析

第5题:

多选题
Which of the following are both advertised by EIGRP in the Update message and included in the formula for calculating the integer EIGRP metric?()
A

Jitter

B

Delay

C

MTU

D

Reliability


正确答案: C,A
解析: 暂无解析

第6题:

多选题
When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones,which two general control settings should you select?()
A

Aggressive Load Balancing on

B

Aggressive Load Balancing off

C

Multicast on

D

Multicast off

E

AP Fallback on

F

AP Fallback off


正确答案: C,D
解析: 暂无解析

第7题:

单选题
An engineer is trying to summarize the following networks using the "ip summary- address eigrp"command: 10.8.88.0/25 10.8.89.48/29 10.8.64.96/27 Which network and subnet mask below would be the smallest EIGRP summary address to include all three subnets?()
A

10.8.64.0 255.255.224.0

B

10.8.64.0 255.255.128.0

C

10.8.64.0 255.255.192.0


正确答案: C
解析: 暂无解析

第8题:

单选题
护理急性颅内压增高患儿应选择()
A

去枕平卧

B

半卧位

C

头低足高位

D

头肩抬高15°~30°

E

勤翻身变换体位


正确答案: D
解析: 抬高头肩有利于静脉回流,降低脑静脉窦压力,利于降颅压。

第9题:

单选题
患儿,男8岁,眼睑水肿4天伴尿少,近2日尿呈浓茶色,患儿无尿频、尿急、尿痛。患儿3周前曾患上呼吸道感染。查体:T36.2℃,R26次/分,P100次/分,BP1.30/90mmHg,神清,双眼睑及颜面水肿,双足背轻度非凹陷性水肿,心肺(-),腹软,肝、脾肋下未及。该患儿正确的诊断是()
A

先天性肾病

B

单纯性肾病

C

肾炎性肾病

D

急性肾小球肾炎

E

泌尿系感染


正确答案: D
解析: 暂无解析

第10题:

单选题
Given the NSAP, 39.0100.0102.0001.0c00.1211.00, which portion is interpreted by IS - IS as the area?()
A

39

B

39.0100

C

39.0100.0102

D

0001

E

0001.0c00

F

0001.0c00.1211


正确答案: B
解析: 暂无解析

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