单选题
An administrator is in charge of several remote servers in Japan. Users call and complain they cannot connect to the company’s resources located on those servers. Which of the following commands would allow the administrator to verify the servers are running？（）
ping
netstat
nbtstat
telnet
单选题
802.11 security is defined in：（）
802.11a.
802.11b.
802.11g.
802.11i.
单选题
Ensuring that data is transmitted securely over an IP network is the main purpose of：（）
Telnet
FTP
SIP
TLS
单选题
A technician notices that when trying to ping a workstation by network name the workstation does not reply back over the network. The workstation is part of the domain and is able to get to the Internet. Which of the following is the cause of the problem？（）
Faulty cable on the workstation
Wrong host name on the workstation
Wrong WINS on the workstation
Incorrect IP address assigned to the workstation
单选题
Which of the following will list the destination MAC addresses？（）
ping
dig
nbtstat
arp
单选题
从短时记忆向长时记忆转化的重要条件是（）。
复述
视觉编码
声音编码
感觉寄存
单选题
Routing convergence time is which of the following？（）
Time required for a VPN connection to occur
Time required by protocols to update their forwarding tables after changes have occurred
Time required for an IDS to detect suspicious software
Time required by switch ports to update their link status and transition to the forwarding state
多选题
提高记忆能力的方法主要有（）。
地点法
韵律法
记笔记
组块
单选题
Which of the following methods of user authentication is the MOST secure？（）
CHAP
Kerberos
TACACS
EAP
单选题
A user is unable to connect to the network. A network technician is able to determine that there is a problem on the switch. All other users on that switch are able to connect successfully to the network. Which of the following is a probable cause？（）
Switching loop is occurring on the switch.
Wrong subnet mask on the switch.
Incorrect SNMP settings on the switch.
Port is misconfigured on the switch.
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