單項(xiàng)選擇題給您分配一個(gè)B類IP網(wǎng)絡(luò)172.16.0.0,子網(wǎng)掩碼255.255.255.192,則您可以利用的網(wǎng)絡(luò)數(shù)為(),每個(gè)網(wǎng)段最大主機(jī)數(shù)()。

A.512;126
B.102;262
C.102;462
D.256;254
E.192;254


您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

A.The switch must be configured with an IP address, subnet mask, and default gateway.
B.The switch must be connected to a router over a VLAN trunk.
C.The switch must be reachable through a port connected to its management VLAN.
D.The switch console port must be connected to the Ethernet LAN.
E.The switch management VLAN must be created and have a membership of at least one switch

2.單項(xiàng)選擇題TCP、UDP、SPX屬于OSI的()。

A.網(wǎng)絡(luò)層
B.傳輸層
C.會話層
D.表示層

3.單項(xiàng)選擇題What is the effect of using the service password-encryption command?()

A.Onl ypasswords configured afte rthe command has been entered will be encrypted.
B.Only the enable password will be encrypted.
C.Only the enable secret password will be encrypted
D.It will encrypt the secret password and remove the enable secret password from the configuration.
E.It will encrypt all current and future passwords.

4.多項(xiàng)選擇題Tracert功能是()。

A.用于檢查網(wǎng)管工作是否正常
B.用于檢查網(wǎng)絡(luò)連接是否可通
C.用于分析網(wǎng)絡(luò)在哪里出現(xiàn)了問題

5.單項(xiàng)選擇題What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch()。

A.It creates a VLAN 999 interface.
B.It designates VLAN 999 for untagged traffic.
C.It blocks VLAN 999 traffic from passing on the trunk.
D.It designates VLAN 999 as the default for all unknown tagged traffic.

最新試題

請參見圖示。網(wǎng)絡(luò)中的主機(jī)A 正在向主機(jī)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(xiàng)是正確的?()

題型:多項(xiàng)選擇題

請參見圖示。從主機(jī)X 發(fā)出的到主機(jī)Y 的tracert 命令已成功。下列哪一項(xiàng)正確地反映了追蹤列表中顯示的中間網(wǎng)絡(luò)設(shè)備的順序?()

題型:單項(xiàng)選擇題

OSI 模型的哪兩項(xiàng)功能在第2層實(shí)現(xiàn)?()

題型:多項(xiàng)選擇題

PC 無法連接到任何遠(yuǎn)程網(wǎng)站,無法ping 通其默認(rèn)網(wǎng)關(guān),也無法ping 通本地網(wǎng)段中工作正常的打印機(jī)。以下哪項(xiàng)操作可以確認(rèn)此PC 上的TCP/IP 協(xié)議棧是否工作正常?()

題型:單項(xiàng)選擇題

請參見圖示。主機(jī)X 和主機(jī)Y 與本地網(wǎng)絡(luò)的通信受到限制。此問題的原因是什么?()

題型:單項(xiàng)選擇題

請參見圖示。哪種邏輯拓?fù)涫菍D示網(wǎng)絡(luò)的準(zhǔn)確描述?()

題型:單項(xiàng)選擇題

請參見圖示。對于從主機(jī)A 向Web 服務(wù)器發(fā)出的網(wǎng)頁請求,正確的目的套接字?jǐn)?shù)字是什么?()

題型:單項(xiàng)選擇題

請參見圖示。下列哪組設(shè)備僅包含中間設(shè)備?()

題型:單項(xiàng)選擇題

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(gè)網(wǎng)段使用電纜2?()

題型:多項(xiàng)選擇題

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(gè)IP 地址?()

題型:單項(xiàng)選擇題