Network+ Chapter 6

Question 1

The DoD model is basically a condensed version of the OSI model; it’s composed of four, instead of seven, layers:
Ch 6 Pg 158

Answer 1

1) Process/Application layer
2) Host-to-Host layer
3) Internet layer
4) Network Access layer

Question 2

is the protocol that actually lets you transfer files across an IP network, and it can accomplish this between any two machines that are using it. Ch 6 Pg 160

Answer 2

File Transfer Protocol (FTP)

Question 3

What has replaced Telnet? Ch 6 Pg 160

Answer 3

Secure Shell (SSH)

Question 4

is the stripped-down, stock version of FTP, but it’s
the protocol of choice if you know exactly what you want and where to find it—plus it’s easy to use, and it’s fast
Ch 6 Pg 161

Answer 4

Trivial File Transfer Protocol (TFTP)

Question 5

Whats the difference between TFTP vs FTP?

Ch 6 Pg 161

Answer 5

1) TFTP has no directory-browsing abilities;
2) It can do nothing but send and receive files.
3) Sends much smaller data blocks than FTP
4) no authentication as with FTP, so it’s insecure.
5) Few sites support it because of the inherent security risks.

Question 6

is a hugely popular signaling protocol used to construct
and deconstruct multimedia communication sessions for many things like voice and video calls, videoconferencing, streaming multimedia distribution, instant messaging, presence information, and online games over the Internet.

Ch 6 Pg 163

Answer 6

Session Initiation Protocol (SIP)

Question 7

describes a packet-formatting standard for delivering

audio and video over the Internet. Ch 6 Pg 163

Answer 7

Real-time Transport Protocol (RTP)

Question 8

what is Real-time Transport Protocol (RTP) used for today?

Ch 6 Pg 163

Answer 8

It’s commonly employed for streaming media, videoconferencing, and push-to-talk systems—all things that make it a de facto standard in Voice
over IP (VoIP) industries.

Question 9

collects and manipulates valuable network
information. It gathers data by polling the devices on the network from a management station
at fixed or random intervals, requiring them to disclose certain information. Ch 6 Pg 163

Answer 9

Simple Network Management Protocol (SNMP)

Question 10

SNMP receives something called a baseline. What is the definition of baseline?

Ch 6 Pg 163

Answer 10

a report delimiting the operational traits of a healthy network. This protocol can also stand as a watchdog over the network, quickly notifying managers of any sudden turn of events.

Question 11

works in conjunction with other synchronization utilities to ensure that all computers on a given network agree on the time. Ch 6 Pg 164

Answer 11

Network Time Protocol (NTP)

Question 12

is the TCP/IP protocol used for managing
IP multicast sessions. It accomplishes this by sending out unique messages over the network to reveal the multicast-group landscape and to find out which hosts belong to which multicast group. Ch 6 Pg 165

Answer 12

Internet Group Management Protocol (IGMP)

Question 13

T or F   The IP  address range for APIPA is 169.254.0.1 through 169.254.255.254 and The client also configures
itself with a default class B subnet mask of 255.255.0.0.

Ch 6 Pg 172

Answer 13

True

Question 14

What are the (UDP)Port numbers for SNMP, TFPT, DNS, BOOTPS/DHCP

Ch 6 Pg 172

Answer 14

SNMP 161
TFTP 69
DNS 53
BOOTPS/DHCP 67,68

Question 15

works at the Network layer and is used by IP
for many different services. ICMP is a management protocol and messaging service provider
for IP. Its messages are carried as IP packets.
Ch 6 Pg 190

Answer 15

Internet Control Message Protocol (ICMP)

Question 16

ICMP packets have the following characteristics:

Ch 6 Pg 190

Answer 16

1) They can provide hosts with information about network problems.
2) They are encapsulated within IP datagrams.

Question 17

finds the hardware address of a host from a known IP address. Ch 6 Pg 192

Answer 17

Reverse Address Resolution Protocol (ARP)

Question 18

discovers the identity of the IP address for diskless machines by sending out a packet that includes its MAC address and a request for the IP address assigned to that MAC address.

Answer 18

Address Resolution Protocol (RARP)

Lammle, Todd (2015-04-24). CompTIA Network+ Study Guide: Exam N10-006 (Comptia Network + Study Guide Authorized Courseware) (p. 193). Wiley. Kindle Edition.

Question 19

True or False Both Ping and Traceroute (also just called Trace, and Microsoft Windows uses tracert) allow you to verify address configurations in your internetwork.

Ch 6 Pg 191

Answer 19

True

Question 20

uses ICMP echo request and reply messages to check the physical and logical connectivity of machines on an internetwork.

Ch 6 Pg 191

Answer 20

Ping

Question 21

If a router’s memory buffer for receiving incoming datagrams is full, it will use ICMP to send out this message until the congestion abates.

Ch 6 Pg 190

Answer 21

Buffer Full

Question 22

Internet Control Message Protocol (ICMP) works at which OSI layer?

Ch 6 Pg 190

Answer 22

the Network Layer

Question 23

ICMP packets have the following characteristics:

Ch 6 Pg 190

Answer 23

They can provide hosts with information about network problems.

They are encapsulated within IP datagrams.

Question 24

If you were to compare User Datagram Protocol (UDP) with TCP, the former is basically the scaled-down economy model that’s sometimes referred to this?

Answer 24

thin protocol

Question 25

What is the port # for (SSH) Secure Shell?

Answer 25

Secure Shell (25)