题目内容（请给出正确答案）

[单选题]

Which tool, command or service allows a remote or local user to find any open connecti

A.Traceroute

B.Whois

C.Nslookup

D.Port scanner

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Which service, command or tool allows a remote user to interface with a system as if h

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C.SetRequest

D.Telnet

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第2题

Which service, tool or command provides information about administrators, domain name

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第3题

Which tool, service or command will enable you to learn the entire address range used

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Which service, tool or command allows a remote or local user to learn the directories

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第5题

Which command, tool or service on a UNIX network converts names to IP addresses and IP

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第6题

In which of the following scenarios would the "show cdp neighbors detail"command be an appropriate troubleshooting tool？（）

A. Two switches are connected via a trunk. Both switches have been assigned an IP address, subnet mask, and default gateway. A ping is successful between the two switches. However, VLAN information is not passed from one switch to the other switch.

B. A router and a switch have been assigned an IP address, a subnet mask, and a default gateway. They are directly connected, but a ping between the two devices fails.

C. A router connects to another router through a serial interface. Both routers have been assigned an IP address, subnet mask, and default gateway. The routers are running RIP and the networks directly connected to the first router do not pass to the second router. However, a ping from one router to the serial interface of the directly connected neighboring router is successful.

D. A router connects to another router via a switch. Both routers and the switch have been assigned an IP address, subnet mask, and default gateway. Neither the routers nor the switch are able to ping one of the hosts that is directly to the switch.

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第7题

A system is being booted into maintenance mode due to root password recovery.After accessing the root volume group and starting a shell without mounting the file systems, what is the next step？（）

A.Delete root‘s password from the /etc/security/passwd file

B.Use the diag recovery tool option to reset root‘s password

C.Execute the ‘passwd’ command and assign a new passwd to root UID

D.Mount the / and /usr filesystems on alternative mount points to edit the password file

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第8题

You are a network administrator for your company. All servers run Windows Server 2003. A s

erver namedServer34 runs an application named App1.Users report that App1 is performing slowly. You suspect that an unauthorized application is installed on Server34.You run the netstat command and examine the output, as shown in the exhibit. (Click the Exhibit button.)You need to identify the unauthorized application by using the output from the netstat command.Which tool should you use to identify the application？（）

You are a network administrator for your company.