A.point-to-point and multiaccess
B.point-to-multipoint and multiaccess
C.point-to-point and point-to-multipoint
D.nonbroadcast and broadcast multipoint
E.nonbroadcast and broadcast multiaccess
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A.denial of service
B.brute force
C.reconnaissance
D.Trojan horse
A.access-list 50 deny 192.168.1.10.0.0.255
B.access-list 110 permit ip any any
C.access-list 2500 deny tcp any host 192.168.1.1 eq22
D.access-list 101 deny tcp any host 192.168.1.1
A.15 seconds
B.30 seconds
C.180 seconds
D.240 seconds
A.It provides dynamic neighbor discovery.
B.It detects unreachable neighbors in 90 second intervals.
C.It maintains neighbor relationships.
D.It negotiates correctness parameters between neighboring interfaces.
E.Ituses timers to elect the router with the fastest links as the designated router.
F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
A.hub
B.router
C.switch
D.STP
E.subinterfaces
F.VLAN
A.The PC has connectivity with a local host.
B.The PC has connectivity with a Layer 3 device.
C.The PC has a default gateway correctly configured
D.The PC has connectivity up to Layer 5 of the OSI model
E.The PC has the TCP/IP protocol stack correctly installed.
根據(jù)下圖顯示的拓撲結構和路由器配置，一個在該LAN上的主機正在通過INTERNET訪問一個FTP服務器。下列地址中哪個可以作為路由器發(fā)送到該目的服務器的數(shù)據(jù)包的源地？（）
A.10.10.0.1
B.10.10.0.2
C.199.99.9.33
D.199.99.9.57
E.200.2.2.17
F.200.2.2.18
A.by encrypting all passwords passing through the router
B.by encrypting passwords in the plain text configuration file
C.by requiring entry of encrypted passwords for access to the device
D.by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E.by automatically suggesting encrypted passwords for use in configuring the router
A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast
最新試題
請參見圖示。網(wǎng)絡中的所有設備均使用默認配置。此拓撲中需要多少個邏輯地址范圍？（）
下列哪些是私有IP 地址的地址范圍？（）
PC 無法連接到任何遠程網(wǎng)站，無法ping 通其默認網(wǎng)關，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？（）
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？（）
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。一臺主機正使用NAT 連接到Internet。下列哪三項IP 地址可實現(xiàn)此連接？（）
請參見圖示。在網(wǎng)絡中，PC1向PC2發(fā)送了一條消息。PC2收到的幀如圖所示。該幀中的哪一信息確定了正確的目的應用程序？（）
以下哪兩種介質可提供高達1Gb/s 的帶寬？（）
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(nèi)的主機C 和D 能夠相互ping 通，但是無法訪問Accounts 辦公室內(nèi)的主機。此問題的原因可能是什么？（）
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？（）