Which of the following is an advantage of dynamic addressing?
A. To allow hosts with different subnet masks to communicate
B. To prevent host computers from staying at one address
C. To allow easy addition of new hosts to the network
D. To allow hosts to use multiple addresses at the same time
DNS on a client computer provides which of the following functions?
A. Communicate with a remote server for user login validation
B. Communicate internally with cached tables for address assignment
C. Communicate with a remote server for address assignment
D. Communicate with a remote server for address resolution
Which of the following network topologies is MOST likely to affect other devices on the network if there is a problem with one of the devices?
A. Mesh
B. Bus
C. Ring
D. Star
Which of the following Internet connection types would be MOST susceptible to interference from weather? (Select TWO).
A. Dial-up
B. Line-of-sight
C. Satellite
D. Cable
E. DSL
A user is trying to use Remote Desktop to connect to another computer on the LAN. The connection fails. The technician opens up a command prompt and types the followinG. "telnet computernamE. 3389" and also gets the same error message. Which of the following is the MOST likely cause of this error, assuming that the OS firewall has been disabled?
A. The antivirus software is blocking the incoming connection.
B. The ISP is blocking Remote Desktop at their end.
C. The RDP connection has been configured to use a non-standard port.
D. The telnet service has not been installed.
Which of the following is the standard sequence of wire color in a RJ-11 phone line?
A. Green, Black, Yellow, Red
B. Black, Red, Green, Yellow
C. Yellow, Black, Red, Green
D. Red, Black, Green, Yellow
Which of the following is an example of a Class C TCP/IP address?
A. 23.54.35.225
B. 127.0.0.0
C. 131.55.30.210
D. 197.27.37.57
A technician has a work order to install a USB 3.0 expansion card into a PC. The expansion card is a PCI Express 1.1 compliant card and the motherboard has one PCI Express 2.0 slot available. Which of following BEST represents the compatibility between the hardware?
A. It will not install correctly, and the PCI slot is already being used by the video card.
B. It will install correctly to the PCI Express slot onto the motherboard. The card should function correctly, as the PCI Express 2.0 slot is backwards compliant.
C. It will not install correctly into the PC, as the 1.1 and 2.0 slots are not compatible.
D. It will install correctly, but the card will not operate as the PCI Express 1.1 and the PCI Express 2.0 standards are completely different.
Which of the following BEST explains how the data rate is doubled in DDR RAM?
A. CPU clock speed is doubled
B. Uses 64-bit instead of 32-bit architecture
C. Memory clock speed is doubled
D. Data transfer on both clock edges
A technician is building a custom gaming computer. Which of the following is the FASTEST memory the technician can use?
A. DDR2 CAS7
B. DDR3 CAS9
C. DDR3 CAS10
D. DDR3 CAS11
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