ch1-9

How many bits are used to represent the network address of a host with an IP address of 192.168.150.16 and a subnet mask of 255.255.0.0?

16

A technician is asked to set up one hard drive that will support two operating systems and will store data files in three separate drive locations. Which partition settings will support these requirements?

2 primary, 1 active, 1 extended, 3 logical

Which IPv6 address represents the most compressed form of the IPv6 address 2001:0db8:cafe:0100:0f0d:0000:0000:00AA/96

2001:db8:cafe:100:f0d::AA/96

A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?

magstripe reader

Which two devices are considered intermediary devices in a network?

modem switch

A computer technician is monitoring traffic on a network where users are complaining about slow network performance. The technician is curious as to whether the new network management software is causing the slowdown. Which two port numbers would the technician be looking for in the captured packets for SNMP traffic?

port 161 pot 162 5.2.2 Application Port Numbers

Several messages sent to the network administrator are reporting that access to a secure server using HTTPS is failing. After checking recent updates to the company firewall, the administrator learns that the firewall is blocking HTTPS. Which port should be opened to solve the problem?

port 443

A technician is called to an office where the computer is randomly rebooting. Which of the given components would most likely cause this issue?

power supply

media reader

reads data from memory card

Which two items could be used to help establish a plan of action when resolving a computer problem?

the computer manual the computer repair history log

During the process of testing a theory of several probable causes to a problem, which should be tested first?

the easiest and most obvious

A user is building a new computer system. Why would the user select an HDMI cable?

to attach a digital monitor 3.3.3 Ports, Connectors, and Cables

What is the function of the power supply?

to convert AC power into a lower voltage DC power

Why do laptop computers use CPU throttling techniques?

to reduce the heat that the CPU may generate CPU throttling is used to conserve power and increase battery life on portable devices. Throttling also produces less heat.

What is a possible use for virtual computing?

to run old applications that are not compatible with current operating systems

True or False? Thin clients require a network connection to remote servers to perform data processing.

true

What type of device provides power to a computer and allows it to be safely shut down in the event of a power loss?

uninterruptible power supply (ups)

A technician is reorganizing the parts cabinet and has found some thermal paste. When would the technician use thermal paste?

when installing CPUs

Which component can be easily damaged by the direct spray of compressed air when cleaning inside the computer case?

fan

While a technician is installing a printer, the technician hears a loud clicking noise. Which device should the technician check first?

hard drive

What two steps must be taken before performing a cleaning procedure on a laptop computer?

Disconnect the laptop from the electrical outlet. Remove all installed batteries. To avoid electrical hazards or accidents, it is essential to remove any power source before cleaning any component.

Which solid-state storage technology allows a computer BIOS to be upgraded by flashing?

Electrically erasable programmable read-only memory (EEPROM) is non-volatile memory that can store the computer BIOS and can be upgraded by flashing its contents.

A support desk technician is asking a customer a series of questions about a problem connecting to the network. Which step of the troubleshooting process is the technician applying?

Identify the problem.

Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?

Infrastructure as a service (IaaS) provides an environment where users have an on-demand infrastructure that they can install any platform as needed. 9.2.2 Cloud Services

What is the preferred method to remove a disc from an optical drive that fails to eject the disc?

Insert a pin into the small hole on the front of the drive.

KVM switch cables

KVM cables

A user on a home network wants to share a printer from a Windows 7 computer. What must the user do in order for other Windows 7 computers in the house to obtain the proper driver?

Nothing. Windows automatically provides the driver.

Which two types of expansion slots would be used by a wireless NIC in a computer today?

PCLE PCL

A technician is working on a laptop and an app is not loading. What is a possible solution for this situation?

Perform a reset.

What type of connector can be used to connect an internal hard drive to the motherboard?

SATA

Which three safety guidelines would be recommended for a technician working inside a laser printer

Secure loose clothing. Remove jewelry and other accessories. Allow the hot area of the laser printer to cool.

What are three important considerations when installing a CPU on a motherboard that has just been upgraded?

The CPU is correctly aligned and placed in the socket. The CPU heat sink/fan assembly is correctly installed. Antistatic precautions are taken.

What are two indications that a mobile device battery needs to be replaced?

The battery overheats. The battery is leaking.

A technician has been asked to assist with the installation of smart devices in school dormitories. Which two technologies should the technician be familiar with?

Zwave Zigbee

What is an example of cloud computing?

a service that offers on-demand access to shared resources

A consultant has been asked to help decide on the best power protection for some equipment in a company that provides payroll services to small businesses. The company has staff that require a PC, laser printer, and IP phone from 8 a.m. to 5 p.m. Monday through Friday. The power protection device needs to be able to provide protection for an overvoltage situation. Which protection device would be best to use for each computer station?

a surge protector

Which two PC settings can be configured using the BIOS setup utility?

boot sequence virtualization support

What printer feature allows a computer to work while print jobs are waiting in queue to be printed?

buffering

Which laptop device would accept an SD card?

card reader