默认题库 - CCNA系列认证综合练习

多选题

哪两个值被生成树协议用来选举根桥？（）

A. amount of RAM
B. bridge priority
C. IOS version
D. IP address
E. MAC address
F. speed of thelink

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单选题

会员发生违规行为的，其违规行为应当纠正，并扣以一定分值且公布（）天。

A. 3
B. 4
C. 5
D. 6

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单选题

What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5（）。

A. It creates a global address pool for all outside NAT transactions
B. It establishes a dynamic address pool for an inside static address
C. It creates dynamic source translations for all inside local PAT transactions
D. It creates a one-to-one mapping between an inside local address and an inside global address
E. It maps one inside source address to a range of outside global addresse

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单选题

以下选项中不属于专题学习网站的特点的是（）。

A. 网站的专题性
B. 对象的特定性
C. 内容的强化性
D. 功能的综合性

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多选题

A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1 (Choose two.)（）。

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.
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.

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单选题

临时停车、不办理客运业务的车站、乘降所（点）等有旅客乘降，属于（）问题。

A. 红线
B. A1
C. A2
D. B

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单选题

须投保订单险但未投保的卖家将被（）。

A. 全店商品屏蔽
B. 删除商品
C. 临时性下架
D. 限制发布商品

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单选题

Host 1 sends an ICMP echo request to remote sever1. Layer2 header of the frame containing the ping packet（）。

A. The IP address of sever 1.
B. The MAC address of NIC in sever 1.
C. The IP address of F0/0 interface of router R1.
D. The MAC address of the Fa0/0 interface of router R1.
E. The IP address of the s0/0/0 interface of router R2
F. The MAC address of the s0/0/0 interface of router R2

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单选题

Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet（）。

A. Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B. Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C. Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D. Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.

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单选题

无类路由协议路由表表目为三维组，其中不包括（）。

A. 子网掩码
B. 源网络地址
C. 目的网络地址
D. 下一跳地址

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