Final Exam (Network+) Questions and
Answers Graded A+
DHCP (Dynamic Host Configuration Protocol) - Correct answer-automatically
assign IP addresses on a device
Presentation Layer - Correct answer-Syntax layer, encrypt and decrypt
Physical Layer - Correct answer-Hardware, Network Adapters
Application Layer - Correct answer-SMTP, FTP, HTTP, DHCP
Transport Layer - Correct answer-TCP, UDP, flow control
IMAP4 (Internet Message Access Protocol, version 4) - Correct answer-stores
email on mail server
Session Layer - Correct answer-Logical Ports, Winsock
Application Layer - Correct answer-End User Layer, User applications, SMTP
HTTP (TCP Port 80) - Correct answer-communicates with web server
Presentation Layer - Correct answer-SSL, SSH, DNS
Data Link Layer - Correct answer-Frames, MAC Address, Switch, WAP
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,SIP (Session Initiation Protocol) - Correct answer-used for voice, video sessions
Transport Layer - Correct answer-TCP, UDP
The Physical Layer - Correct answer-Physical Structure - Hardware, Cables, hubs
NTP (Network Time Protocol) - Correct answer-for time synchronization
Data Link Layer - Correct answer-PPP, L2TP, MAC
Session Layer - Correct answer-Sync and send to ports, Logical ports
SMTP (Simple Mail Transfer Protocol) - Correct answer-email routing between
mail servers (sends emails)
Network Layer - Correct answer-ICMP, IP, IPSec
Network Layer - Correct answer-Packets, Routers
HTTPS (Hypertext Transfer Protocol Secure) - Correct answer-for encrypted web
services
TCP - Correct answer-ensures that a transmission is sent and received without
mistakes
SSH (Secure Shell) - Correct answer-provides encrypted communication
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,SNMP (Simple Network Management Protocol) - Correct answer-used by network
management to get information from devices like switches, routers, and/or
firewalls about how they are performing
FTP (File Transfer Protocol) - Correct answer-used to transfer files with
authentication
POP3 - Correct answer-download messages from a remote mail server
DNS (Domain Name System) - Correct answer-used to match up IP addresses and
domain names
Hacker monitors data traveling on a network and intercepts sensitive information
Select one:
a. Denial of Service attack
b. Active attack
c. Brute Force attack
d. Insider attack
e. Passive Attack - Correct answer-Passive Attack
Multiple private IP addresses to be mapped onto a single public address
Select one:
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, a. Air Gap
b. Port Address Translation (PAT)
c. ACL
d. Extranet
e. Demilitarized Zone (DMZ) - Correct answer-Port Address Translation (PAT)
Some switches also provide power - for example, to plug in a voice over IP phone.
Select one:
True
False - Correct answer-True
This server maintains a directory of domain names. Matches names to IP
addresses.
Select one:
a. Print Server
b. Webserver
c. DNS Server
d. Proxy server - Correct answer-DNS Server
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Answers Graded A+
DHCP (Dynamic Host Configuration Protocol) - Correct answer-automatically
assign IP addresses on a device
Presentation Layer - Correct answer-Syntax layer, encrypt and decrypt
Physical Layer - Correct answer-Hardware, Network Adapters
Application Layer - Correct answer-SMTP, FTP, HTTP, DHCP
Transport Layer - Correct answer-TCP, UDP, flow control
IMAP4 (Internet Message Access Protocol, version 4) - Correct answer-stores
email on mail server
Session Layer - Correct answer-Logical Ports, Winsock
Application Layer - Correct answer-End User Layer, User applications, SMTP
HTTP (TCP Port 80) - Correct answer-communicates with web server
Presentation Layer - Correct answer-SSL, SSH, DNS
Data Link Layer - Correct answer-Frames, MAC Address, Switch, WAP
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,SIP (Session Initiation Protocol) - Correct answer-used for voice, video sessions
Transport Layer - Correct answer-TCP, UDP
The Physical Layer - Correct answer-Physical Structure - Hardware, Cables, hubs
NTP (Network Time Protocol) - Correct answer-for time synchronization
Data Link Layer - Correct answer-PPP, L2TP, MAC
Session Layer - Correct answer-Sync and send to ports, Logical ports
SMTP (Simple Mail Transfer Protocol) - Correct answer-email routing between
mail servers (sends emails)
Network Layer - Correct answer-ICMP, IP, IPSec
Network Layer - Correct answer-Packets, Routers
HTTPS (Hypertext Transfer Protocol Secure) - Correct answer-for encrypted web
services
TCP - Correct answer-ensures that a transmission is sent and received without
mistakes
SSH (Secure Shell) - Correct answer-provides encrypted communication
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,SNMP (Simple Network Management Protocol) - Correct answer-used by network
management to get information from devices like switches, routers, and/or
firewalls about how they are performing
FTP (File Transfer Protocol) - Correct answer-used to transfer files with
authentication
POP3 - Correct answer-download messages from a remote mail server
DNS (Domain Name System) - Correct answer-used to match up IP addresses and
domain names
Hacker monitors data traveling on a network and intercepts sensitive information
Select one:
a. Denial of Service attack
b. Active attack
c. Brute Force attack
d. Insider attack
e. Passive Attack - Correct answer-Passive Attack
Multiple private IP addresses to be mapped onto a single public address
Select one:
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, a. Air Gap
b. Port Address Translation (PAT)
c. ACL
d. Extranet
e. Demilitarized Zone (DMZ) - Correct answer-Port Address Translation (PAT)
Some switches also provide power - for example, to plug in a voice over IP phone.
Select one:
True
False - Correct answer-True
This server maintains a directory of domain names. Matches names to IP
addresses.
Select one:
a. Print Server
b. Webserver
c. DNS Server
d. Proxy server - Correct answer-DNS Server
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
