A.reflexive
B.extended
C.standard
D.dynamic
您可能感興趣的試卷
你可能感興趣的試題
A.Administratively shut down the interface.
B.Physically secure the interface.
C.Create an access list and apply it to the virtual terminal interfaces with the access-group command.
D.Configure a virtual terminal password and login process.
E.Enter an access list and apply it to the virtual terminal interfaces using the access-class command.
A.they offer simpler management in large internetworks.
B.you can control logging messages.
C.they allow packets to be filtered based on upper-layer session information.
D.you can set a time-based security policy.
E.they provide a level of security against spoofing.
F.they are used to authenticate individual users.
A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.
A.redundant
B.spanned
C.provisioned
D.converged
A.PPP
B.FDDI
C.Frame Relay PVC
D.NBMA
E.Frame Relay SVC
![](https://static.ppkao.com/ppmg/img/appqrcode.png)
最新試題
請參見圖示。下列哪組設備僅包含中間設備?()
請參見圖示。主機A 正在訪問多臺服務器。結(jié)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?()
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?()
請參見圖示。已啟用路由器的NAT 功能供PC 訪問Internet??梢詾槁酚善鹘涌赟0/0/0分配下列哪一個IP 地址?()
請參見圖示。哪種邏輯拓撲是對圖示網(wǎng)絡的準確描述?()
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。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?()
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?()
請參見圖示。對于從主機A 向Web 服務器發(fā)出的網(wǎng)頁請求,正確的目的套接字數(shù)字是什么?()
在Cisco IOS 設備中,啟動配置文件存儲于何處?()