Quiz

Question 1

A desktop computer uses a secure cryptographic key to provide full disk encryption. Which of the following provides secure access to this key?

Answer 1

TPM ( trusted platform module) provides cryptographic services for individual computing devices. Many desktop and laptop devices include a TPM on their motherboards

Question 2

Which of the following would be commonly associated with a server motherboard?

Answer 2

Multiple CPU sockets

Question 3

A new desktop video adapter requires additional power. Which of the following connector types would provide this power?

Answer 3

6-pin

PCIe(PCI express) adapter cards can use both 6-pin and 8-pin connectors if additional power is required

Question 4

A technician is installing a video adapter into a desktop computer. What type of interface would commonly be used for this video card?

Answer 4

PCIe

Question 5

Which of these technologies is used to recover data in real time when a drive fails on a RAID 5 array?

Answer 5

Parity

RAID 5 uses parity to rebuild missing data when a drive fails

Question 6

A server running ECC memory has detected and corrected an error on the fly. Which of the following is used to identify and resolve this error?

Answer 6

Parity bits

Question 7

A user would like to upgrade the RAM on their motherboard from DDR4 to DDR5. Which of the following would prevent this upgrade from occurring?

Answer 7

Memory slots are not compatible

DDR4 and DDR5 memory is similar in form factor , but the memory slot keys will not allow DDR5 to be installed into a DDR4 slot.

Question 8

Which of the following would be the best choice for connections a server to a fiber patch panel?

Answer 8

ST

The ST(straight tip) connector can be used when attaching optical fiber to a device or network component

Question 9

A technician is installing a new DSL line as a backup connection. Which of the following connections would be provided by the DSL provider?

Answer 9

RJ11

An RJ11 connector is used when installing a DSL line

Question 10

The computer in a conference room has a DVI-D connection, but the LCD projector only supports HDMU. Which of the following would be the BEST way to connect the computer to the projector?

Answer 10

Use a DVI to HDMI adapter

DVI-D and HDMI are electrically compatible, so a simple DVI to HDMI adapter can be used to connect the video

Question 11

A system administrator wants to optimize the number of PATA devices in a server. How many devices can be connected to a single PATA interface?

Answer 11

2

Question 12

Which type of connection is commonly associated with a point-to-point SCSI link?

Answer 12

SAS

SAS (serial attached SCSI) provides the control of management of SCSI over a serial connection

Question 13

How many storage drives can be connected to a SATA interface on a motherboard?

Answer 13

One

A single SATA (serial AT attachment) interface can support a single SATA device

Question 14

A conference room projector uses a blue DB-15 connector. Which of the following would describe this connector?

Answer 14

VGA

A VGA (video graphics array) analog connector uses a DB-15 connector and is commonly marked with a blue color

Question 15

A user is connecting a new monitor using thunderbolt version 3. Which connector type would MOST likely be used for this monitor?

Answer 15

USB-C

Question 16

A project requires pins 1 through 8 to be wired with the T568A color scheme. Which of the following would meet this requirement?

Answer 16

W/G, G, W/O,BL,W/BL,O,W/BR,BR

The T568A color standard uses White/Green, Green, White/Orange, Blue, White/Blue, Orange, White/Brown, and Brown

Question 17

A server administrator needs to directly connect two data centers located five kilometers from each other. Which of the following would provide the BEST connectivity?

Answer 17

Single-mode fiber

Question 18

Which type of cable would be the minimum requirement for 10GBASE-T Ethernet?

Answer 18

Cat 6

The IEEE 802.3 10GBASE-T standard specifies a minimum of unshielded category 6 cable to a maximum of 55 meters

Question 19

A user connects to a corporate network across multiple building floors using 802.11 which of the following would best describe this network type?

Answer 19

WLAN

A WLAN is commonly associated with 802.11 wireless networks

Question 20

An administrator is configuring an internet connection at a remote site using twisted-pair phone lines. Which of the following is the MOST likely connection type?

Answer 20

DSL

DSL(digital subscriber line) uses traditional copper phone cable as the delivery method for high speed internet connectivity

Question 21

Which of the following devices would commonly be used to support the cryptography used by a client-to-site VPN?

Answer 21

Concentrator

A concentrator is used as an endpoint for remote devices connecting to a site over a VPN (virtual private network)

Question 22

Which of the following would be used to associate a device with a DHCP reservation?

Answer 22

MAC address

A MAC (media access control) address is used to associate an IP address with a device when using DHCP reservations

Question 23

Which of the following DNS entries is used to digitally sign a domains outgoing email?

Answer 23

DKIM

DKIM (domain keys identified mail) uses a DNS TXT record to provide a public kept for digital signature verification

Question 24

The firewall on a users workstation is preventing the automatic assignment of an IP address. Which of the following ports should be allowed through this firewall?

Answer 24

UDP/67 and UDP/68

DHCP uses UDP ports 67 and 68 to provide automatic IP address configurations

Question 25

Which of the following would be a valid IPv4 address?

Answer 25

127.0.0.7 - CORRECT 192.186.23.334 - INCORRECT An IPv4 address consists of four octets with a numeric range from 0 through 255

Question 26

A system administrator has been asked to build a server to support the transfer of data over SMB. Which of the following services should be added to the network?

Answer 26

File server SMB (server message block) is a file service protocol used primarily in windows

Question 27

A network administrator is installing an access point labeled Wi-Fi 6. Which wireless standard is being used by this access point?

Answer 27

802.11ax

Question 28

Which software defined networking layer is most associated with the real-time processing of network frames and packets?

Answer 28

Infrastructure The infrastructure layer of SDN( software defined networking) is responsible with the flow and forwarding of data

Question 29

Which of the following devices makes forwarding decisions using the destination IP address of a packet?

Answer 29

Router A router examines the destination IP address of a packet when making a forwarding decision

Question 30

Which of the following would be commonly used to transfer files between systems ?

Answer 30

TCP/20 TCP port 20 is commonly used by FTP(file transfer protocol) to copy files between systems

Question 31

The remote configuration functionality of an MDM(mobile device manager) can be used to set parameters for email access

Answer 31

True Can be used for corporate email configuration

Question 32

A customer would like to upgrade their mobile device to a 5G connection for higher speeds. Which of the following BEST describes the theoretical maximum speed of 5G networks

Answer 32

10 gigabits per second At high frequencies , 5G can theoretically reach up to 10 gigabytes per second