• Home
  • Textbooks
  • CompTIA Network plus Certification Study Guide
  • TCP/IP Fundamentals

CompTIA Network plus Certification Study Guide

Glen Clarke

Chapter 4

TCP/IP Fundamentals - all with Video Answers

Educators

Chapter Questions

Problem 1

Which layer of the OSI model does the IP protocol run at?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5

Check back soon!
01:40

Problem 2

Which of the following protocols are layer-4 protocols? (Select all that apply.)
A. TCP
B. IP
C. ARP
D. UDP

Vysakh M
Vysakh M
Numerade Educator

Problem 3

Which protocol is responsible for converting the IP address to a MAC address?
A. IP
B. TCP
C. ARP
D. ICMP

Check back soon!

Problem 4

Which protocol is responsible for sending e-mail across the Internet?
A. POP3
B. IMAP4
C. HTTP
D. SMTP

Check back soon!
01:40

Problem 5

Which protocol is responsible for connection-oriented communication?
A. TCP
B. IP
C. UDP
D. ICMP

Vysakh M
Vysakh M
Numerade Educator

Problem 6

Which protocol is responsible for error reporting and status information?
A. ICMP
B. TCP
C. UDP
D. IP

Check back soon!
01:40

Problem 7

Which protocol is responsible for logical addressing and delivery of packets?
A. ICMP
B. TCP
C. IP
D. UDP

Vysakh M
Vysakh M
Numerade Educator

Problem 8

Which TCP/IP setting is not required if you want to communicate on the LAN by IP address only?
A. IP address
B. Subnet mask
C. Default gateway
D. DNS

Check back soon!
00:58

Problem 9

How many bits in an IP address?
A. 8 bits
B. 32 bits
C. 48 bits
D. 96 bits

James Kiss
James Kiss
Numerade Educator
01:18

Problem 10

. How many octets in an IP address?
A. 1
B. 2
C. 3
D. 4

James Kiss
James Kiss
Numerade Educator

Problem 11

A computer with a subnet mask of 255.255 .255 .0 has how many octets for the network ID?
A. 1
B. 2
C. 3
D. 4

Check back soon!
01:36

Problem 12

A computer with the IP address of 134.67 .89 .12 and a subnet mask of 255.255 .0 .0 is on the same network with which of the following systems?
A. 134.76 .89 .11
B. 134.67 .112 .23
C. 13.4 .67 .34
D. 109.67 .45 .10

James Kiss
James Kiss
Numerade Educator
02:12

Problem 13

Which network address class supports 65,534 hosts?
A. Class A
B. Class B
C. Class C
D. Class D

Aman Gupta
Aman Gupta
Numerade Educator

Problem 14

What is the default subnet mask for a class C network?
A. 255.0 .0 .0
B. 225.225 .0 .0
C. 255.255 .255 .0
D. 225.255 .255 .255

Check back soon!
01:38

Problem 15

Which address is reserved for internal loopback functions?
A. 0.0 .0 .0
B. 1.0 .0 .1
C. 121.0 .0 .1
D. 127.0 .0 .1

Samriddhi Singh
Samriddhi Singh
Numerade Educator

Problem 16

What is the well-known port number for the HTTP service?
A. 20
B. 21
C. 80
D. 25

Check back soon!
01:36

Problem 17

. Which of the following addresses is a private IP address? (Select all that apply.)
A. 10.0 .0 .34
B. 191.167 .34 .5
C. 172.16 .7 .99
D. 12.108 .56 .7

James Kiss
James Kiss
Numerade Educator

Problem 18

. Which port is used by SMTP?
A. 23
B. 25
C. 443
D. 110

Check back soon!
04:17

Problem 19

What is the subnet mask for 171.103.2.30?
A. 255.0 .0 .0
B. 255.255 .0 .0
C. 255.255 .255 .0
D. 255.255 .255 .255

Samriddhi Singh
Samriddhi Singh
Numerade Educator

Problem 20

. Which network service is responsible for assigning IP addresses out to systems on the network when they boot up?
A. DNS
B. WINS
C. DHCP
D. Server

Check back soon!

Problem 21

. Which network service is responsible for resolving (or converting) FQDNs to IP addresses?
A. DNS
B. WINS
C. DHCP
D. Server

Check back soon!

Problem 22

. Bob is having trouble pinging addresses by their FQDN, but he can seem to ping them by their IP address. What should you do to help Bob?
A. Verify Bob's WINS setting in TCP/IP.
B. Verify Bob's DNS setting in TCP/IP.
C. Make sure that the system Bob is trying to connect to is in the LMHOSTS file.
D. Make sure that the system Bob is trying to connect to is on the network.

Check back soon!

Problem 23

Which network service is responsible for allowing Microsoft clients access to the file system on a UNIX server?
A. NAT
B. NFS
C. $\mathrm{SMB}$
D. Samba

Check back soon!

Problem 24

Which network service is responsible for assigning IP addresses out to clients on the network?
A. NAT
B. WINS
C. $\mathrm{DHCP}$
D. NFS

Check back soon!

Problem 25

. Which network service is responsible for allowing Microsoft clients to access the file system on Microsoft servers?
A. $\mathrm{SMB}$
B. NFS
C. NAT
D. Samba

Check back soon!

Problem 26

Which network service is responsible for hiding internal network resources by changing the source address of every outbound packet?
A. NAT
B. NFS
C. $\mathrm{SMB}$
D. Samba

Check back soon!