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CNN（Cable News Network）
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考题
The broadcaster is part of a complex network of()
A、distributorsB、content creatorsC、advertisersD、cable system
考题
Which of the following is the proper order for powering off and on network components?()
A. Computer cable modem routerB. Cable modem router computerC. Cable modem computer routerD. Router cable modem computer
考题
A user is trying to connect their new desktop to the network but is unable to get an IP address.The technician tests the cable and finds that there are too many open pairs.Which of the following wiring standards needs to be used in the replacement cable?（）A. 568BB.CrossoverC. 569-AD. 607-A
考题
Which of the following tools would an administrator BEST use to trace a network cable?()
A.TonerB.Cable testerC.Butt setD.Multimeter
考题
An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）A. Straight-through cable is used to connect both switchesB. Loopback plug is connectedC. Crossover cable is used to connect both switchesD. Cable is a rollover cable
考题
is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.(67)is a protocol that most USENET machines how use it to allow news articles to propagate from one machine to another over a reliable connection.(68)is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.(69)is a device used to connect two separate network that use different communication protocol.(70)js a digitalA．MDB．RSAC．DESD．MIB
考题
is a one -way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.(72) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.(73) is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.(74) is a device used to connect two separate network that use different communication protocol.(75) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.A．MDB．RSAC．DESD．MIB
考题
Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?（）A、Broadband personal comm. Service (PCS)B、Broadband circuitC、InfraredD、Spread spectrumE、Cable
考题
Which of the following is the proper order for powering off and on network components?（）A、Computer cable modem routerB、Cable modem router computerC、Cable modem computer routerD、Router cable modem computer
考题
A Network Engineer is reporting that one of the AIX hosts is generating too much ICMP traffic, which is slowing the network. Which of the following options is the most probable cause?（）A、A large FTP job is in process. B、A network interface was misconfigured. C、The ping command is being used excessively. D、A bad network interface card and/or network cable is in use.
考题
A network administrator needs to add an additional connection to a room. The administrator adds a new Ethernet switch and must connect it to an existing switch. Which cable type should be used to connect the two switches?（）A、CAT3 cableB、Serial cableC、Crossover cableD、Rollover cable
考题
A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light. Which of the following is the cause of this situation?（）A、The switches are not stackableB、The cable was not wired using 568AC、The cable needs to be a crossover cableD、The switches have IGMP snooping enabled
考题
Which of the following network cable types is MOST often used in environments where physicalsecurity of the data is the top priority?（）A、UTPB、CoaxialC、Fiber opticD、STP
考题
A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? （）A、Cable testerB、MultimeterC、Loop back plugsD、Crossover cable
考题
An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）A、Straight-through cable is used to connect both switchesB、Loopback plug is connectedC、Crossover cable is used to connect both switchesD、Cable is a rollover cable
考题
A technician needs to find an end of a network cable drop. Which of the following tools would the technician use?（）A、Cable testerB、MultimeterC、Toner probeD、Loopback plug
考题
An administrator has found interference on a network. Which of the following cable types is thenetwork MOST likely composed of?（）A、UTPB、FiberC、RG-6D、STP
考题
A user has just moved a PC from one office to another. The patch cable and the NIC do notappear to be functioning in the new office but were working before the move. The patch cable is plugged in correctly to both the NIC and the wall jack. Which of the following actions should the technician take FIRST?（）A、Verify that the network card is compatible with the operating system.B、Verify that the port on the switch is enabled.C、Update the network card driver.D、Replace the network cable with a crossover cable.
考题
Which of the following tools would an administrator BEST use to trace a network cable?（）A、TonerB、Cable testerC、Butt setD、Multimeter
考题
Which type of connector is required for a coaxial network cable?（）A、RJ-11B、TokenringC、BNCD、RJ-45
考题
单选题Which type of connector is required for a coaxial network cable?（）A
RJ-11B
TokenringC
BNCD
RJ-45
考题
单选题Which of the following is the proper order for powering off and on network components?（）A
Computer cable modem routerB
Cable modem router computerC
Cable modem computer routerD
Router cable modem computer
考题
单选题A Network Engineer is reporting that one of the AIX hosts is generating too much ICMP traffic, which is slowing the network. Which of the following options is the most probable cause?（）A
A large FTP job is in process. B
A network interface was misconfigured. C
The ping command is being used excessively. D
A bad network interface card and/or network cable is in use.
考题
单选题An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）A
Straight-through cable is used to connect both switchesB
Loopback plug is connectedC
Crossover cable is used to connect both switchesD
Cable is a rollover cable
考题
名词解释题CNN（Cable News Network）
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