Topic

Introduction to Computer Studies

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Quizzes in Introduction to Computer Studies

A group of users is unable to connect to the network. When testing several of the PCs and issuing the command ipconfig, the technician notices that all of them have an IP address in the 169.254.x.x range. What is the most likely cause of this problem?

Correct answer(s):
    • The DHCP server is not operational.

A technician troubleshooting a network problem has used CLI commands to determine that a computer has not been allocated a correct IP address from the DHCP server. Which command can the technician use to solve this problem?

Correct answer(s):
    • ipconfig/renew

A PC is not able to connect to a wired network. Pinging the loopback address is successful, but the gateway cannot be reached. On the network switch, all the interface lights are on, except for the interface connected to the PC. The LED on the network card is off. What is the most likely cause of this problem?

Correct answer(s):
    • The network cable is faulty.

The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way to IP configuration of workstations. Which service would simplify the workstation IP configuration task?

Correct answer(s):
    • DHCP

A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

Correct answer(s):
    • A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

A network technician is checking a computer to see if the DHCP client is working correctly. The technician issues the ipconfig /all command. Which two parameters should the technician review? (Choose two.)

Correct answer(s):
    • default gateway
    • subnet mask

A wired network is undergoing several changes that could leave it vulnerable to connection by unauthorized devices while the work is in progress. Which two temporary measures would enable the authorized devices to continue to have network access but prevent unauthorized devices from connecting? (Choose two.)

Correct answer(s):
    • Disable DHCP.
    • Assign static IP addresses to the authorized devices.

Users in a recently installed wireless network are complaining of slow data transfer and frequent loss of connectivity. The technician checks that the wireless security is correctly implemented and that there is no evidence of unauthorized users on the network. Which two problems might the technician suspect? (Choose two.)

Correct answer(s):
    • There is interference from outside sources.
    • The wireless signal is too weak.

A technician is searching through a storage locker and finds a patch panel. What is the purpose of this device?

Correct answer(s):
    • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.

A technician is searching through a storage locker and finds a Cisco ASA 5505-X (UTM). What is the purpose of this device?

Correct answer(s):
    • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.

A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?

Correct answer(s):
    • It is placed between two or more networks and protects data and equipment from unauthorized access.

A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?

Correct answer(s):
    • It is a device that allows a network administrator to manage many remote networking devices from a central location.