Your boss is learning a CCNA training course,refer to the exhibit.The access list has been configured on the S0/0 interface of router RTB in the out bound direction.Which two packets,if routed to the interface,will be denied?()
access-list 101 denytcp192.168.15.320.0.0.15any eq telnet
access-list 101 permit ip any any
A.source ip address:192.168.15.5destination port:21
B.source ip address:,192.168.15.37destination port:21
C.sourcei p address:,192.168.15.41destination port:21
D.source ip address:,192.168.15.36destination port:23
E.source ip address:192.168.15.46destination port:23
F.source ip address:,192.168.15.49destination port:23
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A.They are always present in the NAT table.
B.They allow connection to be initiated from the outside.
C.They can be configured with access lists,to allow two or more connections to be initiated from the outside.
D.They require no inside or outside interface markings because addresses are statically defined.
A.access-list 10 permit 172.29.16.0 0.0.0.255
B.access-list 10 permit 172.29.16.0 0.0.1.255
C.access-list 10 permit 172.29.16.0 0.0.3.255
D.access-list 10 permit 172.29.16.0 0.0.15.255
E.access-list 10 permit 172.29.0.0 0.0.255.255
A.show chap authentication
B.show interface serial0
C.debug ppp authentication
D.debug chap authentication
E.show ppp authentication chap
根據(jù)下圖,網(wǎng)絡管理員如此配置的RA的原因是?()
A.讓students訪問Internet
B.阻止students訪問RA的命令提示符
C.阻止管理員訪問RA的控制臺
D.讓administrators訪問Internet
E.阻止students訪問Internet
F.阻止students訪問Admin的網(wǎng)絡
A.Router# show ip eigrp adjacency
B.Router# show ip eigrp topology
C.Router# show ip eigrp interfaces
D.Router# show ip eigrp neighbors
最新試題
PC 無法連接到任何遠程網(wǎng)站,無法ping 通其默認網(wǎng)關(guān),也無法ping 通本地網(wǎng)段中工作正常的打印機。以下哪項操作可以確認此PC 上的TCP/IP 協(xié)議棧是否工作正常?()
在配置路由器時,網(wǎng)絡技術(shù)人員想要命名路由器。輸入hostname 命令后,技術(shù)人員會看到下列哪一項提示?()
請參見圖示。網(wǎng)絡中的主機A 正在向主機B 發(fā)送數(shù)據(jù)段。有關(guān)所交換的數(shù)據(jù)段的流量控制如圖所示。下列關(guān)于此通信的陳述,哪兩項是正確的?()
要將數(shù)據(jù)包發(fā)送到遠程網(wǎng)絡,應使用哪種設備?()
請參見圖示。主機A 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,路由器Y 的FastEthernet 接口fa0/1捕獲到一個幀。捕獲的幀中包含源IP 地址為172.16.1.5而目的IP 地址為172.16.7.24的數(shù)據(jù)包。捕獲該幀時,它的源MAC 地址是什么?()
OSI 模型的哪兩項功能在第2層實現(xiàn)?()
請參見圖示。網(wǎng)絡技術(shù)人員使用圖中所示的連接將主機A 連接到路由器以創(chuàng)建初始配置。下列有關(guān)此連接的陳述中哪一項正確?()
在Cisco IOS 設備中,啟動配置文件存儲于何處?()
傳輸層如何讓主機能同時針對不同應用程序維護多個通信流?()
請參見圖示。網(wǎng)絡中的所有設備均使用默認配置。此拓撲中存在多少個廣播域?()