CSIT Midterm

a disadvantage of using a DVD-R DL (Dual Layer) disc over an ordinary DVD? AnswerCorrect Answer:

A DVD-R DL has slower write speeds.

Which of the following statements about Dynamic Host Configuration Protocol (DHCP) are true? (Select two.) AnswerCorrect Answer:

A workstation must request addressing information from a DHCP server. It can deliver a DNS server address in addition to the host IP address.

Which of the following are critical times when memory problems manifest themselves? (Select two.)

After you remove or install hardware On the first boot of a new computer

Which of the following actions does an ATX power supply perform? (Select two.)

Aids in thermal management. Converts AC to DC.

A technician suspects that data is being leaked from a tablet. Which of the following is the BEST tool to troubleshoot this issue?

App scanner

You are in the process of installing a new motherboard in your workstation. You have already installed the CPU, heat sink, and memory. You have inserted the I/O shield into the case, fastened the standoffs to the case, and attached the motherboard to the standoffs. You are now ready to complete the installation. Drag each remaining step on the left to the right in the appropriate order that you need to complete them.

Connect the power and accessory cables. Second Connect your drives to the SATA connectors. Third Install additional devices in the expansion slots. Fourth Connect the wires for the front/top panel ports. correct answer: Last Document the settings of the new motherboard.

You want to implement name resolution on the Linux workstations in your company. Which protocol should you use to do this?

DNS

You are assembling components in a network rack and need a device that connects three network segments. Which of the following devices will meet your networking needs?

Ethernet router

Which of the following are IoT systems that work together to make communication between two endpoints possible? (Select two.)

Gateway system Data storage

A user is configuring an email client application and plans to use a standard TCP/IP suite protocol to retrieve email messages from an email server. Which of the following TCP/IP suite protocols can be used to retrieve email messages? (Select two.)

IMAP POP3

Which of the following BEST describes how a switch functions?

It connects multiple cable segments or hosts and forwards data packets to the appropriate host.

What does the term cloud mean when referring to cloud computing?

It is a metaphor for the internet based on the basic cloud drawing used to represent a telephone network.

Why are plasma displays smaller than 32 inches not typically sold?

It's too cost-prohibitive to manufacture plasma screens under 32 inches.

Which type of interface is typically used for internal wireless networking cards in laptops?

Mini-PCI

You are a technician for a company. Additional funds have been allocated to the sales department, and they have asked you to upgrade the memory modules in each employee's notebook computer. Which of the following are the MOST common methods to access these memory slots? (Select two.)

Open a panel on the bottom of the notebook. Remove the keyboard.

An employee claims that they are unable to connect to the internet and has called the company's help desk for a solution. Having been assigned to this issue, you decide to first test whether or not TCP/IP is working correctly on the local computer. Which of the following is the BEST command to use for this test?

Ping 127.0.0.1

Which of the following components are included in an Inkjet printer all-in-one ink cartridge

Printhead, circuitry, and an ink tank

You are in the process of building a new computer. You would like to configure your computer to use SLI to improve performance while playing your favorite game. Which of the following will MOST likely be part of the configuration process? (Select three.)

Purchase two graphics cards with SLI and similar specifications. Purchase a motherboard with two (or more) PCIe x16 slots. Connect at least one monitor to the graphics card.

Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?

Switch

Jason has installed a new hard drive (HDD) in his Windows PC workstation. He wants to use it to store multimedia files for his private video editing business. After installing the HDD in the PC case, he boots the PC in to the BIOS and verifies that the HDD is recognized by the system. When he tries to save files to the new HDD, he receives an error message. What is the MOST likely reason that Jason cannot save data to his new HDD?

The HDD needs to be partitioned and formatted with a file system.

Lately, your computer has been spontaneously shutting down after only a few minutes of use. What is the likely cause? (Select two.)

The heat sink and fan were not installed correctly. The power connector for the fan was not connected to the motherboard.

A customer has brought a computer in to be repaired. They say that they believe that the sound card has stopped working because no audio is produced when music, video, or DVDs are played. Which troubleshooting steps should you take first? (Select two.)

Verify that the volume isn't muted. Verify that speakers are plugged into the correct jack and are powered on.

Which of the following factors significantly determine the number of virtual machines that a host can accommodate? (Select two.)

What has been allocated by the network manager. The components installed on host machine.

After installing a new RAM module, you boot your 64-bit system, but the display remains blank. What is the MOST likely cause of this issue?

You have installed a non-parity RAM on an ECC system.

Which of the following wireless networking standards uses a frequency of 5 GHz and supports data transmission speeds up to 2.6 Gbps?

802.11ac

You have just connected a new computer to your local network. The network uses static IP addressing. You find that the computer can communicate with hosts on the same subnet, but not with hosts on a different subnet. No other computers are having problems. Which of the configuration values would you most likely need to change?

Default gateway

You are troubleshooting a company cell phone that is overheating. Which of the following is the FIRST action you should take to resolve the issue?

Determine whether the battery is warped or swollen.

A technician has configured a client computer's network interface with server addresses to which the client will send requests for translating fully qualified domain names (FQDNs) to IP addresses and IP addresses to FQDNs. Which of the following TCP/IP suite protocols is used by the client to perform the request and also used by a server to respond to those requests?

Domain Name System (DNS)

What are the benefits of installing integration services (IS) on a Hyper-V Windows virtual machine? (Select two.)

Dramatically improves performance by installing Hyper-V aware drivers. Lets you cut and paste between the virtual machine and host.

A technician must press a cable connector's locking tab to remove a faulty fiber optic network cable. The cable connector is designed with two connector ends. Which of the following fiber connector types is the cable using?

LC

You have just finished installing a new SATA hard disk in your computer. Now your SATA DVD drive does not work. Which of the following troubleshooting steps are BEST to try first? (Select two.)

Make sure that the DVD power cable is connected. Make sure that the DVD SATA cable is connected.

You have a DVD-ROM disc with no label, and you want to know if it has any important files on it. You insert the DVD-ROM into your optical media drive, and you double-click the drive letter to see the disc's contents. Which error message will you see if the DVD-ROM is not a valid disc? AnswerIncorrect answer:

No Media

An employee calls to complain that their computer is behaving erratically. Some days, it functions correctly, and other days, it crashes frequently. Sometimes, the system won't boot at all. You open the system case and notice the following: Two of the mounting screws are missing from the system hard disk drive. The system uses memory modules from several different manufacturers with mismatched capacities. Several capacitors on the motherboard are bulging and have a brown liquid oozing from them. The chassis fan on the front of the case is oriented to blow air into the system. What should you do?

Replace the motherboard.