A.protecting a server frome unauthorized acces
B.controlling path selection,based on the route metric
C.reducing router CPU utilization
D.filterring packets that are passing through a router
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Refer to the exhibit. Which value will be configured for Default Gateway of the Local Area Connection?()
A.10.0.0.0
B.10.0.0.254
C.192.223.129.0
D.192.223.129.254
Refer to the exhibit. An administrator pings the default gateway at 10.10.10.1 and sees the output as shown. At which OSI layer is the problem?()
A.data link layer
B.application layer
C.access layer
D.session layer
E.network layer
A.外部主機202.38.0.50可以PING通任何內(nèi)部主機
B.內(nèi)部主機10.10.10.5,可任意訪問外部網(wǎng)絡(luò)資源
C.內(nèi)部任意主機都可以與外部任意主機建立TCP連接
D.外部202.38.5.0/24網(wǎng)段主機可以與此內(nèi)部網(wǎng)主機TCP連接
E.外部202.38.0.0/24網(wǎng)段主機不可以與此內(nèi)部同主機建立目標(biāo)端口號大于1024的TCP連接
Refer to the exhibit. Which command would allow the translations to be created on the router?()
A.ip nat pool mynats 1.1.128.1 1.1.135.254 prefix-length 19
B.ip nat outside mynats 1.1.128.1 1.1.135.254 prefix-length 19
C.ip nat pool mynats 1.1.128.1 1.1.135.254 prefix-length 18
D.ip nat outside mynats 1.1.128.1 1.1.135.254 prefix-length 18
A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR, FHSS, and DSSS
A.It designates VLAN 999 for untagged traffic.
B.It blocks VLAN 999 traffic from passing on the trunk.
C.It creates a VLAN 999 interface.
D.It designates VLAN 999 as the default for all unkown tagged traffic.
Refer to the exhibit. What can be determined about the router from the console output?()
A.No configuration file was found in NVRAM.
B.No configuration file was found in flash.
C.No configuration file was found in the PCMCIA card.
D.Configuration file is normal and will load in 15 seconds.
A.172.1.0.0/22
B.172.1.0.0/21
C.172.1.4.0/22
D.172.1.4.0/24 172.1.5.0/24 172.1.6.0/24 172.1.7.0/24
E.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
A.VLAN 1 is the default Ethernet VLAN.
B.CDP advertisements are only sent on VLAN 1002.
C.By default, the management VLAN is VLAN 1005.
D.By default, the switch IP address is in VLAN 1005.
E.VLAN 1002 through 1005 are automatically created and cannot be deleted.
The user of Host1 wants to ping the DSL modem/router at 192.168.1.254. Based on the Host1 ARP table that is shown in the exhibit, what will Host1 do()。
A.send a unicast ARP packet to the DSL modem/router
B.send unicast ICMP packets to the DSL modem/router
C.send Layer 3 broadcast packets to which the DSL modem/router responds
D.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router
最新試題
OSI 模型的哪兩項功能在第2層實現(xiàn)?()
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?()
傳輸層如何讓主機能同時針對不同應(yīng)用程序維護多個通信流?()
請參見圖示。主機B 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,San Francisco 器由器的FastEthernet 接口fa0/1捕獲到一個幀。捕獲的幀中包含源IP 地址為10.10.1.2而目的IP 地址為10.31.1.20的數(shù)據(jù)包。捕獲該幀時,它的目的MAC 地址是什么?()
請參見圖示。網(wǎng)絡(luò)中的所有設(shè)備均使用默認(rèn)配置。此拓撲中存在多少個廣播域?()
請參見圖示。主機A 正在訪問多臺服務(wù)器。結(jié)合使用什么端口號和地址即可唯一識別特定服務(wù)器上運行的特定進程?()
請參見圖示。主機A 和B 無法互相通信。此問題的原因是什么?()
請參見圖示。某用戶想要查看當(dāng)前的配置。圖中所示為ipconfig/all 命令的輸出。從此輸出可以得到哪三項結(jié)論?()
請參見圖示。主機X 和主機Y 與本地網(wǎng)絡(luò)的通信受到限制。此問題的原因是什么?()
請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應(yīng)在RouterA 上采取什么措施來解決此問題?()