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WorksheetsCompTIA Network+ Pre-Assessment Test
Total questions: 50
Worksheet time: 30mins
Which of the following is NOT a layer of the OSI model?
Application
Internet
Data Link
Physical
What is the primary purpose of a firewall in a network?
To route data packets
To filter incoming and outgoing traffic
To provide wireless connectivity
To store data
Which protocol is used for secure file transfer?
HTTP
SFTP
FTP
SMTP
What does VLAN stand for?
Virtual Large Area Network
Variable Large Area Network
Virtual Local Area Network
Variable Local Area Network
Which of the following is a cloud service model?
WAN
LAN
SAN
IaaS
What is the function of a load balancer?
To encrypt data
To store backup data
To distribute network traffic evenly
To increase network speed
Which of the following is a type of network topology?
Triangle
Square
Circle
Star
What is the purpose of NAT in networking?
To translate private IP addresses to public IP addresses
To encrypt data
To store data
To provide wireless connectivity
Which of the following is a type of network attack?
FTP
HTTP
DoS
SMTP
What does SNMP stand for?
Secure Network Monitoring Protocol
Simple Network Monitoring Protocol
Secure Network Management Protocol
Simple Network Management Protocol
Which device is used to connect different networks?
Router
Repeater
Switch
Hub
What is the main function of a proxy server?
To act as an intermediary for requests from clients
To store data
To provide wireless connectivity
To encrypt data
Which of the following is a wireless transmission medium?
DAC
802.11
Coaxial
Fiber
What is the purpose of a honeypot in network security?
To attract and analyze potential attackers
To provide wireless connectivity
To store data
To encrypt data
Which of the following is a type of network service?
DHCP
SMTP
FTP
HTTP
What does the acronym RPO stand for in disaster recovery?
Recovery Process Objective
Recovery Plan Objective
Recovery Point Objective
Recovery Protocol Objective
Which of the following is a logical security measure?
Locks
Cameras
Encryption
Fences
What is the main purpose of a VPN?
To store data
To increase network speed
To provide wireless connectivity
To create a secure connection over the internet
In the OSI model, which layer is referred to as Layer 3?
Application Layer
Network Layer
Data Link Layer
Transport Layer
Which layer of the OSI model is responsible for identifying the network's physical characteristics?
Application Layer
Presentation Layer
Physical Layer
Data Link Layer
Which layer of the OSI model is responsible for identifying the topology to be used in the network?
Data Link Layer
Network Layer
Physical Layer
Transport Layer
Which layer of the OSI model is responsible for route selection?
Data Link Layer
Network Layer
Transport Layer
Application Layer
Which layer of the OSI model is responsible for route selection?
Data Link Layer
Network Layer
Transport Layer
Application Layer
Provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure.
PaaS
IaaS
SaaS
AaaS
You are running a virtual machine in a public cloud using IaaS. Which model correctly reflects how that resource is managed?
user management model
cloud user management model
no responsibility management model
shared responsibility model
Which of the following types of networking hardware is used to create network infrastructures within the cloud?
Cable modem
Digital subscriber line
Optical network terminal
Software-defined networking
Which cloud model provides services for a specific organization or entity?
a hybrid cloud
a community cloud
a public cloud
a private cloud
What port does Telnet use?
TCP Port 23
UDP Port 23
TCP port 22
UDP Port 22
What is the protocol for network traffic used today?
Firewall
ISP
TCP/IP
Arpanet
The typical port used by TCP for HTTP is __________
60
90
80
70
During a forensic investigation, a security analyst reviews some Session Initiation Protocol packets that came from a suspicious IP address. Law enforcement requires access to a VoIP call that originated from the suspicious IP address. Which of the following should the analyst use to accomplish this task?
Wireshark
iptables
Tcp dump
Net flow
What is the purpose of disabling unused physical and virtual ports on network switches and devices?
To increase the number of available ports
To reduce power consumption
To enhance network security by minimizing vulnerabilities
To improve the speed of the network
What is the purpose of a DMZ in network security?
To encrypt data
To create a buffer zone between the internal network and the internet
To monitor network performance
To manage IP addresses
An online sports betting company has multiple web applications hosted in their VPC. The security team has discovered multiple port scans which are coming in from a specific IP address block. To protect confidential and financial data hosted in your AWS Cloud, the offending IP addresses must be denied access to the network as soon as possible.
Which of the following is the best method to accomplish this task?
Modify the firewall settings of the EC2 instances to deny access from the IP address block
Add a rule to all the Security Groups to deny access from the IP Address block
Modify the IAM policy of each EC2 instance to deny access from the offending IP address block
Set the Network ACLs associated with all public subnets in the VPC to deny access from the offending IP address block
Label the picture with the following.
Backbone
Segment
Client
The arrangement of devices in a network is called a Network _________________.
GPS
Topology
Architecture
Hub
Which network topology has a central hub or switch, connected to all other devices?
Star
Mesh
Bus
Ring
What are the 3 main network topologies?
Bus, Star, Ring
Bus, Star, LAN
Bus, Star, Ring, WAN
Bus, LAN, Ring
Which protocol is commonly used to encrypt web traffic?
Telnet
SMTP
HTTPS
FTP
What device is primarily used to reduce network congestion by dividing a network into segments?
Switch
Router
Repeater
Hub
Which layer of the OSI model is responsible for reliable data transfer and error recovery?
Physical Layer
Network Layer
Transport Layer
Session Layer
In the OSI model, which layer is referred to as Layer 3?
Application Layer
Network Layer
Data Link Layer
Transport Layer
OSI Model 5th layer
Physical
Session
Transport
Network Datalink
Which layer of the OSI model is responsible for identifying the topology to be used in the network?
Data Link Layer
Network Layer
Physical Layer
Transport Layer
________is used when speed is the primary importance, such as real-time video
conferencing, streaming audio and video, Voice Over IP (VOIP), music, and online games.
TCP
UDP
What port allows for time synchronization on all network devices and services?
FTP
LDAP
RDP
NTP
What port does DNS use for Queries?
UDP Port 53
TCP Port 53
UDP Port 52
TCP Port 52
Which protocol is commonly used to assign IP addresses automatically on a network?
DNS
DHCP
SMTP
FTP
