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[主观题]

The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is tr

ue about full-duplex Ethernet in comparison to half-duplex Ethernet？

A．Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive

B．Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link

C．Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

D．Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal

E．None of the above

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更多“The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is tr”相关的问题

第1题

An administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.
7/install/config. The following n？command failed toAn administrator attempts to create a link of /etc/db_conf to the target directory /db/v9.7/install/config. The following ？n？command failed to create the link.ln/db/v9.7/install/config /etc/db_conf.Which option should be used when re-running the command to resolve the problem？（）

A.-s flag to create a soft link

B.-n flag to force create a hard link

C.-N flag to force create a hard link

D.-S flag to force create a soft link

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第2题

An administrator has just upgraded a server from non-hot plug storage to all hot plug stor
age. The administrator powers up the server, during POST the RAID controller is recognized but none of the drive lights flash.Which of the following should the administrator do FIRST to troubleshoot the problem？（）

A. Check the backplane cabling.

B. Check the server BIOS.

C. Update the RAID controller firmware.

D. Install the latest hard drive firmware

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第3题

An administrator needs to add fault tolerance capabilities to a server. Which of the following is the BEST solution to accomplish this？（）

A. Move the architecture from 32-bit to 64-bit.

B. Install a PBX card.

C. Install a second NIC card.

D. Install a fail-over cable.

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第4题

The administrator gave two directions; the staff followed the ______ one.（latest, latter)
点击查看答案

第5题

An administrator receives a contract for a server install at a new building. Which of the followingshould be completed after installing the server？（）

A. Log the administrator password used

B. Test the air temperature

C. Update the network diagram

D. Review the evacuation procedures

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第6题

An administrator attempts a traceroute but receives a "Destination Unreadable" messagE.Which protocol is responsible for that message？（）

A．RARP

B．RUDP

C．ICMP

D．SNMP

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第7题

You install Windows Vista on a new computer by using the default settings. You create an a
dministrator account and a standard user account.You log on to the computer as the standard user and attempt to install a new application. You are prompted for user credentials to complete the installation.You need to install the application on the computer.What should you do？（）

A.A

B.B

C.C

D.D

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第8题

An administrator migrates from AIX 5.3 to AIX 6.1. Upon completion, a client questions why files are missing from /tmp.How should the administrator respond to the client？（）

A.Explain that the files never existed in the first place.

B.Explain that during a Migration install the /tmp filesystem is overwritten.

C.Explain that after a Migration install, all system filesystems will be empty.

D.Explain that /tmp is temporary storage and files are automatically removed every 30 days.

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第9题

An administrator attempts a traceroute but receives a "Destination Unreadable" message. Which protocol is responsible for that message？（）

A．RARP

B． RUDP

C． ICMP

D． SNMP

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第10题

A data center has had a power outage. Which of the following should the administrator do FIRST once the power is restored？（）

A. Identify which systems are the most critical and bring them up by level of importance.

B. Retrieve the latest backup tapes for immediate system restore using the GFS rotation.

C. Identify the least critical systems and then power those systems on first.

D. Determine the cause of the power outage and install UPS systems to prevent its reoccurrence.

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