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多項(xiàng)選擇題 Refer to the exhibit.The network shown in the exhibit is running the RIPv2 routing protocol.The network has converged，and the routers in this network are functioning properly .The FastEthernet0/0 interface on R1 goes down.In which two ways will the routers in this network respond to this change？（）

A.R1 will send LSAs to R2 and R3 informing them of this change， and then all routers will send periodic updates at an increased rate until the network again converges.
B.Because of the split-horizon rule， router R2 will be prevented from sending erroneous information to R1 about connectivity to the 192.168.1.0 network.
C.When router R2 learns from R1 that the link to the 192.168.1.0 network has been lost， R2 will respond by sending a route back to R1 with an infinite metric to the network.
D.Routers R2 and R3 mark the route as inaccessible and will not accept any further routing updates from R1 until their hold-down timers expire.
E.All routers will reference their topology database to determine if any backup routes to the 192.168.1.0 network are known.

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1.多項(xiàng)選擇題網(wǎng)絡(luò)管理員是Cisco路由器上配置訪問控制列表，允許來自只的網(wǎng)絡(luò)192.168.146.0，192.168.147.0，192.168.148.0和192.168.149.0主機(jī)。哪個(gè)結(jié)合是最好的完成任務(wù)，當(dāng)兩個(gè)ACL語句？（）

A. access-list 10 permit ip 192.168.147.0 0.0.0.255.255
B. access-list 10 permit ip 192.168.149.0 0.0.0.255.255
C. access-list 10 permit ip 192.168.146.0 0.0.0.0.255
D. access-list 10 permit ip 192.168.146.0 0.0.0.1.255
E. access-list 10 permit ip 192.168.148.0 0.0.0.1.255
F. access-list 10 permit ip 192.168.146.0 255.255.255.0

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2.單項(xiàng)選擇題哪個(gè)選項(xiàng)代表了標(biāo)準(zhǔn)的IP ACL？（）

A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1

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3.多項(xiàng)選擇題下列哪三種說法對(duì)802.1Q的說法是正確的？（）

A.802.1Q本地VLAN幀未標(biāo)記的默認(rèn)
B.802.1Q中繼端口，也可以是安全的端口
C.802.1Q中繼可以使用10Mb/s以太網(wǎng)接口
D.802.1Q中繼需要全雙工，點(diǎn)對(duì)點(diǎn)連接
E.802.1Q中繼應(yīng)該兩頭的本地VLAN是相同的

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4.單項(xiàng)選擇題有關(guān)訪問列表應(yīng)用到一個(gè)接口，下列哪項(xiàng)是正確的的？（）

A.你可以申請(qǐng)多個(gè)訪問列表具有相同的協(xié)議，或在不同的方向
B.你可以配置一個(gè)訪問列表，每個(gè)方向，每3層協(xié)議（一個(gè)端口可以配置In out兩個(gè)ACL）
C.你想要的任何界面上，你可以放置盡可能多的訪問列表
D.你可以將任何接口上只有一個(gè)訪問列表

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5.單項(xiàng)選擇題 Refer to the exhibit.A problem with network connectivity has been observed.It is suspected that the cable connected to switch port Fa0/9 on Switch 1 disconnected.What would be an effect of tis cable being disconnected？（）

A.Host B would not be able to access the server in VLAN9 until the cable is reconnected
B.For less than a minute,Host B would not be able to access the server in VLAN9.Then normal network function would resume.
C.Communication between VLAN3 and the other VLANs would be disabled
D.The transfer of files from Host B to the server in VLAN9 would be significantly slower.

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6.單項(xiàng)選擇題 圖中顯示了多少個(gè)廣播域？（）

A.one
B.six
C.twelve
D.two

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7.多項(xiàng)選擇題靜態(tài)NAT轉(zhuǎn)換哪兩種說法是正確的？（）

A.出現(xiàn)在NAT表中。
B.允許來自外部的鏈接。
C.它們可以與訪問列表來配置，以允許兩個(gè)或多個(gè)連接到從發(fā)起外面。
D.他們不需要內(nèi)部或外部接口標(biāo)記，因?yàn)榈刂肥庆o態(tài)定義。

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8.多項(xiàng)選擇題當(dāng)一個(gè)DHCP配置好的時(shí)候，哪兩個(gè)地址將永遠(yuǎn)不會(huì)分配給主機(jī)？（）

A.網(wǎng)絡(luò)或子網(wǎng)的IP地址
B.在網(wǎng)絡(luò)上的廣播地址
C.IP地址租用給LAN
D.所使用的接口的IP地址
E.手動(dòng)分配的地址給客戶
F.指定的IP地址的DHCP服務(wù)器

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9.多項(xiàng)選擇題DHCP服務(wù)器在網(wǎng)絡(luò)中作用是什么？（）

A.設(shè)置要使用的網(wǎng)絡(luò)的IP網(wǎng)關(guān)。
B.執(zhí)行主機(jī)發(fā)現(xiàn)使用DHCP DISCOVER消息。
C.從DHCP服務(wù)器上配置IP地址參數(shù)給主機(jī)。
D.提供一個(gè)方便管理的第3層設(shè)備。
E.監(jiān)控IP性能使用DHCP服務(wù)器。
F.分配和從默認(rèn)池更新IP地址。

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10.多項(xiàng)選擇題以下哪些是vlan trunk端口的有效模式？（）

A.transparent
B.auto
C.on
D.desirable
E.blocking
F.forwarding

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