Given the network diagram, which routers currently make up the IS - IS  backbone?（）https://assets.asklib.com/images/image2/2018073017301086469.jpg

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• A network administrator is troubleshooting a redistribution of RIP routes into OSPF. Given the exhibited configuration commands, which statement is true? （）https://assets.asklib.com/images/image2/2018073017371255256.jpg

  A . Redistributed ro utes will be tagged as external type 1 (E1) with a metric of 30. B . Redistributed routes will be tagged as external type 2 (E2) with a metric of 20. C . Redistributed routes will maintain their original RIP routing metric. D . Redistributed routes will ha ve a default metric of 0 and will be treated as unreachable and not advertised. E . Redistributed routes will have a default metric of 0 but will not be treated as reachable and will be advertised.

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• Refer to the exhibit. The Linksys router in the diagram is performing pNAT (port network address translation). What hash algorithm should you choose and why?（）https://assets.asklib.com/images/image2/201808011413313225.jpg

  A . Use hash MD5 to ensure that IKE works through NAT.  B . Use ah-sha-hmac, as it does not check the integrity of the IP header. The IP header will change due to NAT.  C . Use 3DES, as it will encrypt the IPSec header IP addresses and bypass addressing issues.  D . Use esp-sha-hmac, as it does not check the integrity of the IP header. The IP header will change due to NAT.

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• The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems (Choose two.)（）。https://assets.asklib.com/images/image2/2018072314584919009.png

  A . Configure the gateway on Host A as 10.1.1.1 B . Configure the gateway on Host B as 10.1.2.254 C . Configure the IP address of Host A as 10.1.2.2 D . Configure the IP address of Host B as 10.1.2.2 E . Configure the masks on both hosts to be 255.255.255.224 F . Configure the masks on both hosts to be 255.255.255.240

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• Refer to the exhibit. The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? （）https://assets.asklib.com/images/image2/2018072409503135369.jpg

  A . Configure the gateway on Host A as 10.1.1.1. B . Configure the gateway on Host B as 10.1.2.254. C . Configure the IP address of Host A as 10.1.2.2. D . Configure the IP address of Host B as 10.1.2.2. E . Configure the masks on both hosts to be 255.255.255.224. F . Configure the masks on both hosts to be 255.255.255.240.

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• Refer to the exhibit.The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems？（）https://assets.asklib.com/images/image2/2018072315363967838.jpg

  A . Configure the gateway on Host A as 10.1.1.1. B . Configure the gateway on Host B as 10.1.2.254. C . Configure the IP address of Host A as 10.1.2.2. D . Configure the IP address of Host B as 10.1.2.2. E . Configure the masks on both hosts to be 255.255.255.224. F . Configure the masks on both hosts to be 255.255.255.240.

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• A time diagram is a diagram of the celestial sphere as observed from above the（）.

  A . south celestial pole B . north celestial pole C . observer's meridian D . Greenwich meridia

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• The Frame Relay network in the diagram is not functioning properly. What is the cause of the problem?（）

  A . The Gallant router has the wrong LMI type configured B . Inverse ARP is providing the wrong PVC information to the Gallant router C . The S3 interface of the Steele router has been configured with the frame-relay encapsulation ietf command D . The frame-relay map statement in the Attalla router for the PVC to Steele is not correct E . The IP address on the serial interface of the Attalla router is configured incorrectly

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• Which command should you use to verify what networks are being routed by a given OSPFprocess？（）

  A . show ip ospf B . show ip route C . show ip protocol D . show ip ospf database E . None of the other alternatives apply

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• Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

  A . 15.234.118.63 B . 92.11.178.93 C . 134.178.18.56 D . 192.168.16.87 E . 201.45.116.159 F . 217.63.12.192

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• Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? （）https://assets.asklib.com/images/image2/201807231745407181.png

  A . The subnet mask in use is 255.255.255.192. B . The subnet mask in use is 255.255.255.128. C . The IP address 172.16.1.25 can be assigned to hosts in VLAN1 D . The IP address 172.16.1.205 can be assigned to hosts in VLAN1 E . The LAN interface of the router is configured with one IP address. F . The LAN interface of the router is configured with multiple IP addresses.

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• What ensures that voice packets are given priority throughout the network so that conversations arrive intact?（）

  A . QoS B . Centrex C . Packet encryption D . Intelligent call routing

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• Given the exhibit below. You are a network manager of your company. You are reading your Syslog serverreports. On the basis of the Syslog message shown， which two descriptions are correct？（）https://assets.asklib.com/images/image2/2018072315532499321.jpg

  A . This is a normal system-generated information message and does not require further investigation. B . Service timestamps have been globally enabled. C . This message is unimportant and can be ignored. D . This message is a level 5 notification message.

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• Which routing protocols can be used within the enterprise network shown in the diagram?（）https://assets.asklib.com/images/image2/2018072411205548445.png

  A . RIP v1 B . RIP v2 C . IGRP D . OSPF E . BGP F . EIGRP

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• An etwork administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true?（）

  A . Interfaces will automatically detect and build adjacencies with neighbor routers B . DR and BDR elections will not occur C . DR and BDR elections will occur D . The neighbor command is required to build adjacencies E . All routers must be configured in a fully meshed topology with all other router

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• Given the above diagram and assuming that STP is enabled on all switch devices， which two statements are true？（） https://assets.asklib.com/images/image2/2018073109132930127.jpg

  A . DSW11 will be elected the root bridge. B . DSW12 will be elected the root bridge. C . ASW13 will be elected the root bridge. D . P3/1 will be elected the nondesignated port. E . P2/2 will be elected the nondesignated port. F . P3/2 will be elected the nondesignated port.

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• Given the network diagram, which address would successfully summarize only the networks seen? （）https://assets.asklib.com/images/image2/2018073109032674332.png

  A . 192.168.0.0/24 B . B . 192.168.8.0/20 C . 192.168.8.0/21 D . 192.168.12.0/20 E . 192.168.16.0/21 F . These networks cannot be summarized.

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• We use the keyhole diagram __________.

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• In the keyhole diagram, the body paragraphs ___________.

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• The keyhole diagram __________.

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• Fill in the blank with the right form of the given word.The __________ (produce) of a mathematical formula by mathematics and physics experts explains the modern phenomena of network science.

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• On a precedence diagram, the arrow between two boxes is called:

  A.An activity. B.A constraint. C.An event. D.The critical path. E.None of above.

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• Observe the diagram. RTC is the hub router and RTA and RTB are the spokes. There are no virtual circuits between the spoke locations. What is needed to successfully route traffic to the 11.11.11.0/24 network from RTA？ （）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/3b52a384bbee4e7f118247f79e304256.jpg' /> A. The neighbor 10.10.10.1 next - hop - self com mand on RTA B. Nothing is required. This is the default behavior on this topology C. The neighbor 10.10.10.1 next - hop - self command on RTB D. The neighbor 10.10.10.1 next - hop - self command on RTC

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• A network administrator is troubleshooting a redistribution of RIP routes into OSPF. Given the exhibited configuration commands, which statement is true？ （）

  <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/3c57bf5472e55a54788da5d374cfa80b.jpg' /> A. Redistributed ro utes will be tagged as external type 1 (E1) with a metric of 30. B. Redistributed routes will be tagged as external type 2 (E2) with a metric of 20. C. Redistributed routes will maintain their original RIP routing metric. D. Redistributed routes will ha ve a default metric of 0 and will be treated as unreachable and not advertised. E. Redistributed routes will have a default metric of 0 but will not be treated as reachable and will be advertised.

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• This diagram illustrates the （） ________ of the different sports amongst young people.

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