NETWORK PROTOCOL的中文含义是（）。

A . point-to-point B . Backbone area 0 C . Broadcast multicast D . Non-broadcast multi-access E . The DR/BDR process is done for all interface type

A .  The processing of 802.11 data and management protocols and access point capabilities is  distributed between a lightweight access point and a centralized WLAN controller. B .  LWAPP advertises its WDS capability and participates in electing the best WDS device for the  wireless LAN. C .  LWAPP aggregates radio management forward information and sends it to a wireless LAN  solution engine. D .  LWAPP authenticates all access points in the subnet and establishes a secure communication  channel with each of them. E .  None of the other alternatives apply

A . ARP B . SSH C . Telnet D . WEP E . SNMPv1 F . SNMPv2

A . OSPF B . EIGRP C . RIP v2 D . IGRP E . RIP v1

A . 正确 B . 错误

A . debug ip routing B . show running-config C . show ip route protocols D . show ip protocols E . show protocols al

A .  To verify the MST configuration， the show pending command can be used in MST configuration  mode. B .  When RSTP and MSTP are configured； UplinkFast and BackboneFast must also be enabled. C .  All switches in the same MST region must have the same VLAN-to-instance mapping， but  different configuration revision numbers. D .  All switches in an MST region， except distribution layer switches， should have their priority  lowered from the default value 32768. E .  An MST region is a group of MST switches that appear as a single virtual bridge to adjacent  CST and MST regions. F .  Enabling MST with the "spanning-tree modemst" global configuration command also enables  RSTP.

A . FTP B . TFTP C . TCP D . UDP E . SCP

A . NTP updates are sent in the timezone they are collected in，and the syslog server will adjust based  on the input time. B . NTP authentication verifies the source，not the recipient. C . NTP authentication requires that the recipient has multiple strata clocks to ensure accuracy. D . Secure NTP can be configured to use SHA-1 hashing，since NTP is very insecure. E . A stratum 0 clock should be configured at the core of every network，so it can connect to an accuratetime source.

A . Internet Protocol address B . Media Access Control address C . Packet Layer Proto col address D . Network Service Access Point address E . Authority and Format Identifier addre

A . ARP B . SSH C . Telnet D . WEP E . SNMPv1 F . SNMPv2

A .  Control traffic between an access point and a controller is encrypted within LWAPP. B .  Data traffic between an access point and a controller is encrypted within LWAPP. C .  Layer 3 mode packets are transmitted in TCP frames. D .  Data traffic between an access point and a controller is encapsulated within LWAPP. E .  VLAN tagging and QoS markings are applied at the access point.

A . 目标是保证管理信息在任意两点中传送，便于网络管理员在网络上的任何节点检索信息，进行修改，寻找故障 B . 它采用轮询机制，提供最基本的功能集 C . 易于扩展，可自定义MIB或者SMI D . 它要求可靠的传输层协议TCP

A .  Define the encapsulation type. B .  Define the standby router. C .  Define the standby IP address. D .  Enable the standby priority.

A . The hosts will have different default gateway IP addresses and different MAC addresses foreach rtouter B . The default gateway address of each host should be set to the virtual IP address C . The hosts will learn the proper default gateway IP address from Router R1 D . The default gateway address of each host should be set to the real IP address of the router E . None of the other alternatives apply

A．IEEE 802．1 B．IEEE 802．2 C．IEEE 802．3 D．IEEE 802．11

A.配置MD5安全算法可以提供可靠地数据加密 B.配置AES算法可以提供可靠的数据完整性验证 C.部署IPsecVPN网络时，需要考虑IP地址的规划，尽量在分支节点使用可以聚合的IP地址段，来减少IPsec安全关联（Security Authentication，SA）资源的消耗 D.报文验证头协议（Authentication Header，AH）可以提供数据机密性

A．IEEE802.1 B． IEEE802.2 C． IEEE802.3 D． IEEE802.11

A．network B．programs C．connections D．files

A．secure B． insecure C． internet D． internal

A．secure B． insecure C． sftp D． scp