无码免费在线观看不卡视频,亚洲欧美激情小说另类,国产人禽杂交18禁网站

單項選擇題 Th efollowing access list below was applied outbound on the E0 interface connected to the 192.169.1.8/29LAN：
access-list 135 deny tcp 192.169.1.80.0.0.7 eq 20 any
access-list 135 deny tcp 192.169.1.80.0.0.7 e q21 any
How will the above access lists affect traffic？（）

A.FTP traffic from 192.169.1.22 wil lbe denied
B.Not raffic，except for FTP traffic wil lbe allowed to exit E0
C.FTP traffic from 192.169.1.9 to any host will be denied
D.All traffic exiting E0 will be denied
E.All FTP traffic to network 192.169.1.9/29 will be denied

點擊查看答案

您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題一位網絡管理員在進行鏈路連通性檢查時，發(fā)現(xiàn)CiscoCatalyst系列交換機上的LED燈，在綠色和琥珀色之間不停變化。以上現(xiàn)象是因為（）。

A.這個端口存在問題
B.這個端口被管理性的禁止。
C.這個端口被生成樹協(xié)議阻塞
D.這個端口的活動鏈路上有流量。

點擊查看答案

2.單項選擇題在OSPF點到點鏈路中，Hello包是發(fā)往以下那個地址？（）

A.127.0.0.1
B.172.16.0.1
C.192.168.0.5
D.223.0.0.1
E.224.0.0.5
F.254.255.255.255

點擊查看答案

3.單項選擇題 根據下圖，假設路由器已經配置了默認配置，那么這個接口是（）。

A.Ethernet
B.Fast Ethernet
C.Gigabit Ethernet
D.asynchronous serial
E.synchronous serial

點擊查看答案

4.多項選擇題Why do large OSPF networks use a hierarchical design?（）

A.to confine network instability to single areas of the network.
B.to reduce the complexity of router configuration
C.to speed up convergence
D.to lower costs by replacing routers with distribution layer switches
E.to decrease latency by increasing bandwidth
F.to reduce routing overhead

點擊查看答案

5.單項選擇題 A TCP/IP Transfer is diagrammed in the exhibit.A window size of three has been negotiated for this transfer. Which message will be returned from the receiver to the sender as part of this TCP/IP transfer?（）

A.Send ACK 1-3
B.Send ACK 3
C.Send ACK 4
D.Send ACK 4-6
E.Send ACK 6
F.Send ACK 7

點擊查看答案

6.多項選擇題 Host1正在試圖和Host2聯(lián)系。RouterC的e0接口是down的，以下選項正確的是？（）

A.RouterC會使用ICMP通知Host1&ldquo；Host2無法到達&rdquo；
B.RouterC會使用ICMP通知Host1&ldquo；Host1無法到達&rdquo；
C.RouterC會使用ICMP通知Host1，RouterA和RouterB&ldquo；Host2無法到達&rdquo；
D.RouterC會發(fā)送一個&ldquo；DestinationUnreachable&rdquo；的消息類型
E.RouterC會發(fā)送一個&ldquo；RouterSelection&rdquo；的消息類型
F.RouterC會發(fā)送一個&ldquo；SourceQuench&rdquo；的消息類型

點擊查看答案

7.單項選擇題How many subnets can be gained by subnetting 172.17.32.0/23 into a /27 mask, and how many usable host addresses will there be per subnet?（）

A.8 subnets, 31 hosts
B.8 subnets, 32 hosts
C.16 subnets, 30 hosts
D.16 subnets, 32 hosts
E.A Class B address can't be subnetted into the fourth octet.

點擊查看答案

8.單項選擇題 As a network administrator，you have been instructed to prevent all traffic or iginating on the LAN from entering the R2 router.Which the following command would implement the access list on the interface of theR2 router？（）

A.access-list 101 in
B.access-list 101 out
C.ipaccess-group 101 in
D.ipaccess-group 101 out

點擊查看答案

9.單項選擇題 S0/0 on R1 is configured as a multipoint interface to communicate with R2 and R3 in the hub-and-spoke Frame Relay topology shown in the exhibit. Originally, static routes were configured between these routers to successfully route traffic between the attached networks. What will need to be done in order to use RIPv2 in place of the static routes?（）

A.Configure the no ip subnet-zero command on R1, R2, and R3.
B.Dynamic routing protocols such as RIPv2 cannot be used across Frame Relay networks.
C.Configure the S0/0 interface on R1 as two subinterfaces and configure point-to-point links to R2 and R3.
D.Change the 172.16.2.0/25 and 172.16.2.128/25 subnetworks so that at least two bits are borrowed from the last octet.
E.Change the network address configuration to eliminate the discontiguous 172.16.2.0/25 and 172.16.2.128/25 subnetwork.

點擊查看答案

10.單項選擇題為了允許建立一個TELNET會話，以下哪個命令集必須被配置？（）

A.
B.
C.
D.
E.
F.

點擊查看答案