Core 1 - Exam Cram

Question 1

Laptops use double data rate (DDR) memory. But in laptops it’s miniatur-ized and is known as

Answer 1

a small outline dual inline memory module (SODIMM)

Question 2

SODIMM Versions: Memory Type: DDR

Answer 2

200-pin

Question 3

SODIMM Versions: Memory Type: DDR2

Answer 3

200-pin

Question 4

SODIMM Versions: Memory Type: DDR3

Answer 4

204-pin

Question 5

SODIMM Versions: Memory Type: DDR4

Answer 5

260-pin

Question 6

Screen inveter’s job is to:

Answer 6

Convert DC voltage from the motherboard into AC voltage to be sent to the backlight

Question 7

LCD is usually lit by a:

Answer 7

cold cathode fluorescent lamp (CCFL)

Question 8

WPAN

Answer 8

wireless personal area network

Question 9

SMTP Original Port Number

Answer 9

25

Question 10

SMTP Secure Port Number

Answer 10

465 or 587

Question 11

POP3 Original Port Number

Answer 11

110

Question 12

POP3 Secure Port Number

Answer 12

995

Question 13

IMAP Original Port Number

Answer 13

143

Question 14

IMAP Secure Port Number

Answer 14

993

Question 15

TCP

Answer 15

Transmission Control Protocol

Question 16

TCP establishes network connections with a 3-way handshake, a process that includes _____ steps:

Answer 16

1. SYN: client initiate
2. SYN + ACK: Server responds
3. ACK: The client sends an acknowledgment packet

Question 17

UDP

Answer 17

User Datagram Protocol

Question 18

Generally, the outbound server will be ____

Answer 18

SMTP 25

Question 19

and the inbound server will be either _____or ____

Answer 19

POP3 110 or IMAP 143

Question 20

DHCP Four-Step Process ____

Answer 20

DORA

Discover

Offering

Request

Acknowledgement

Question 21

Which of the following is most often used to connect a group of computers in a LAN?

Answer 21

Switch and WAP

Question 22

APIPA Always give a ________

Answer 22

169.254.X.X address

Question 23

Port Numbers go from ___ to ____

Answer 23

0 to 65,535