A.Switch1(config-if)# switchport port-security maximum 1
B.Switch1(config)# mac-address-table secure
C.Switch1(config)# access-list 10 permit ip host
D.Switch1(config-if)# switchport port-security violation shutdown
E.Switch1(config-if)# ip access-group 10
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Refer to the exhibit.Based on the exhibited routing table，how will packets from a host within the192.168.10.192/26 LAN be forwarded to 192.168.10.1？（）
A.The router will forward packets from R3 to R2 to R1
B.The router will forward packets from R3 to R1
C.The router will forward packets from R3 to R1 to R2
D.The router will forward packets from R3 to R2 to R1 AND from R3 to R1
The access control list shown in the graphic has been applied to the Ethernet interface of router R1using the ip access-group 101 in command.Which of the following Telnet sessions will be blocked by this ACL？（）
A.from host PC1 to host 5.1.1.10
B.from host PC1 to host 5.1.3.10
C.from host PC2 to host 5.1.2.10
D.from host PC2 to host 5.1.3.8
Refer to the exhibit.Which is the most efficient summarization that R1 can use to advertise its networks toR2？（）
A.172.1.4.0/22
B.172.1.0.0/21
C.172.1.0.0/22
D.172.1.4.0/25 172.1.4.128/25 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
E.172.1.4.0/24 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
A.It establishes a static route to the 172.16.3.0 network.
B.It establishes a static route to the 192.168.2.0 network.
C.It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
D.It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.
E.It uses the default administrative distance.
F.It is a route that would be used last if other routes to the same destination exist.
A.It allows switches to read frame tags.
B.It allows ports to be assigned to VLANs automatically.
C.It maintains VLAN consistency across a switched network.
D.It allows frames from multiple VLANs to use a single interface.
E.It allows VLAN information to be automatically propagated throughout the switching environment.
A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization iscompued automatically by the router.
E.Routing traffic load is reduced when used in stub network links.
F.An efficient algorithm is used to build routing tables,using automatic updates.
G.Routing tables adapt automatically to topology changes.
A.after broken links are re-established
B.in an improperly implemented redundant topology
C.when upper-layer protocols require high reliability
D.during high traffic periods
E.when a dual ring topology is in use
A.enbale password c1sco
B.secret enable c1sco
C.password enable c1sco
D.enable secret c1sco
A.An IPv6 address is 64 b long and is represented as hexadecimal characters.
B.An IPv6 address is 32 b long and is represented as decimal digits.
C.An IPv6 address is 128 b long and is represented as decimal digits.
D.An IPv6 address is 128 b long and is represented as hexadecimal characters
A.hub
B.router
C.switch
D.STP
E.subinterfaces
F.VLAN
最新試題
請參見圖示。當計算機A 向計算機D 發(fā)送幀時，哪些計算機會接收該幀？（）
請參見圖示。一臺路由器（其路由表如圖所示）收到發(fā)往192.168.1.4的數據包。路由器將如何處理該數據包？（）
請參見圖示。電纜1和電纜2分別按照特定的物理層要求接線。哪三個網段使用電纜2？（）
請參見圖示。網絡技術人員試圖確定主機A 的正確IP 地址配置。以下哪一項是主機A 的有效配置？（）
請參見圖示。主機A 正在訪問多臺服務器。結合使用什么端口號和地址即可唯一識別特定服務器上運行的特定進程？（）
要將數據包發(fā)送到遠程網絡，應使用哪種設備？（）
請參見圖示。公司路由器由于故障被更換。更換路由器之后，Education 辦公室內的主機C 和D 能夠相互ping 通，但是無法訪問Accounts 辦公室內的主機。此問題的原因可能是什么？（）
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的數據包。捕獲該幀時，它的源MAC 地址是什么？（）
下列哪些是私有IP 地址的地址范圍？（）
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？（）