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WorksheetsUnit 2 Review
Total questions: 77
Worksheet time: 39mins
James is setting up a new office network and needs to connect all the computers in a star topology Ethernet network. What device should he use?
William is setting up a wireless network in his home and needs a device that will allow his wireless devices to connect to the network. What is an access point?
A hub that accepts wireless clients through an analog wireless signal
An electronic device that can be used to increase network connect beyond the standard range
A device that modulates an analog carrier signal to encode digital information and demodulates the signal to decode the transmitted information
A network device that connects two similar network segments together
Olivia is setting up her home internet and needs to understand what a modem is. What is a modem?
A network device that connects all the segments of a network together in a star topology Ethernet network
A network device used to connect multiple network segments together
A device that modulates an analog carrier signal to encode digital information and demodulates the signal to decode the transmitted information
A hub that accepts wireless clients through an analog wireless signal
Aria is setting up a home network and needs to connect multiple devices. Which layer device should she use?
1
2
3
4
Grace is setting up a new office network and needs to connect different types of cabling. A(n) (a) can convert one type of cabling to another.
Liam is setting up a new office and needs to manage wireless network access points to allow wireless devices to connect to the network. Which of the following should he use?
WLC
LAN
WLN controller
WLAN database
In a busy online store managed by David, (a) efficiently distribute incoming network traffic across a group of backend servers.
Scarlett is trying to access a website, but her request first goes through a(n) (a) , which acts as a gateway between her and the server hosting the website.
During a cybersecurity class, Isla asked if an IDS can drop malicious packets, offer malware protection, and reset the connection of source hosts.
True
False
In Liam's office, they recently upgraded their phone system. How do most phones in modern offices like Liam's differ from phone lines via the POTS?
Office phones connect via analog phone line
Office phones connect over IP
There are no differences between the two
Office phones only offer communication methods via Zoom
Noah wants to share a printer with multiple devices in his home. How can he achieve this?
Install a NIC card in the printer
Use a printer server that connects to the Ethernet network
Both a and b
None of the above
Liam is setting up a new security system for his home and is considering using biometrics. What are biometrics?
The weight and height of an individual
Biological measurements that can be used to identify individuals
A standard for the implementation of protocols for human integration
None of the above
Liam is setting up security for his new smartphone. Which of the following is an example of biometric factors he can use?
Fingerprint scanner
Iris scanner
Voice recognition
All of the above
During a science class, Ethan asked his teacher about the system used in buildings to regulate temperature and air quality. What does HVAC stand for?
Heating, ventilation, and air conditioning
High volume air conditioning
Hierarchy volume algorithm cipher
High voltage and circuitry
During a field trip to a power plant, Charlotte and Isla learned about a system that helps monitor and control industrial processes. What does SCADA stand for?
Short-Cipher Analog Domain Algorithm
Supervisory Control Algorithm and Data Acquisition
Supervisory Control and Data Acquisition
Sequential Control and Data Acquisition
Maya is studying industrial control systems and comes across the term SCADA. What else is SCADA referred to as?
ICS
ECS
IZF
EFCS
Michael is setting up a small office network and needs to decide on a routing method. What is static routing?
A routing method that routes packets through a network described by fixed paths
A routing method that routes packets based on the amount of static electricity detected in the air
A routing method that routes packets through different routes based on the current conditions of the communication circuits within a system
All of the above
Grace is managing a network for her company. She needs to ensure that data packets are routed efficiently through the network. What routing method should she use to adapt to the current conditions of the communication circuits within the system?
A routing method that routes packets through a network described by fixed paths
A routing method that routes packets based on the amount of static electricity detected in the air
A routing method that routes packets through different routes based on the current conditions of the communication circuits within a system
None of the above
Samuel is learning about network configurations and wants to know: What are the two categories dynamic routing is separated into?
Inbound and outbound
Inside and outside
Interior and exterior
Upload and download
Aiden is setting up a small network for his home and wants to ensure that data packets take the most efficient route to reach his gaming server. He decides to use a protocol that utilizes hop count as a routing metric and employs the Bellman-Ford algorithm. Which protocol should Aiden choose?
OSPF
RIP
EIGRP
BGP
In a network design class, Maya is learning about different routing protocols. She discovers that ______ uses the concept of an autonomous system to describe the set of contiguous routers running the same protocols and sharing the same information.
OSPF
RIP
EIGRP
BGP
Avery is setting up a network for a new office and needs to ensure that data packets find the best path from the main server to the various workstations. Which protocol should Avery use that works by finding the best path from the source to the destination router according to its own shortest path first algorithm?
OSPF
RIP
EIGRP
BGP
During a computer networking class, Evelyn asked the professor which protocol is the core routing protocol of the Internet. What would be the correct answer?
OSPF
RIP
EIGRP
BGP
During a networking class, Samuel asked the instructor about the type of protocol OSPF is. What was the instructor's response?
Distance vector
Link state
Hybrid
All of the above
Lily and Aiden are studying different types of network protocols for their computer science class. They learn that BGP and EIGRP are both types of ______ protocols.
Distance vector
Link state
Hybrid
All of the above
In a company network, Elijah is tasked with improving the efficiency of their IT infrastructure. His plan includes splitting up network segments, offloading work from one server to another, shutting down unnecessary services, and upgrading outdated hardware. What is this process called?
VLANs
Optimization
QoS
Segmentation
In a school network, when there is limited bandwidth, ______ is used to ensure that important applications like online classes and exams are prioritized over less critical traffic.
VLANs
Optimization
QoS
Segmentation
Noah is managing a network and notices that the router's buffer is overflowing. What happens to the packets in this situation?
Packets will be delayed
Packets are requested to be retransmitted
Packets will drop
Both b and c
During an online gaming session, Aiden noticed that his game was lagging and some actions were not registering. What could be the cause of these delayed and dropped packets?
Congested lines
Anti-virus software
Firewall
All of the above
During a video call between Samuel and Arjun, what happens if the data packets are received out of order?
The sender would have to resend the message
Degradation of the application's quality
The packets are dropped
The packets are retransmitted
Abigail is managing the network traffic for her school's online learning platform. How does traffic shaping help her in this task?
It delays all packets
It delays specific packets
It speeds up all packets
None of the above
Samuel is managing a network for a small company and wants to ensure that their data streams do not send too much data while also controlling the speed at which traffic is sent. What feature(s) should he use?
Bandwidth throttling
Rate limiting
Bandwidth limiting
Both a and b
Both b and c
In a university network managed by Ethan, why does he decide to implement VLANs?
To limit collisions
To increase performance
To increase security
All of the above
In a university network, what kind of traffic is a data VLAN configured to carry for students like David and Abigail?
Security generated traffic
User-generated traffic
Application generated traffic
Login generated traffic
In a school network setup, Avery is configuring a voice VLAN to ensure clear communication. This VLAN is specifically set up to carry voice traffic from what kind of phone?
IP phone
Cell phone
Rotary phone
Satellite phone
Olivia and Noah are setting up a network for their new office. They want to ensure that their VLANs can span across multiple switches. What should they use to achieve this?
Fiber optic cables
Trunk links
Ethernet cables
Console links
Maya is learning about networking and wants to understand which layer of the OSI model the switch and address resolution protocol (ARP) operate on. Can you help her?
Application layer
Network layer
Data link layer
Session layer
Michael is troubleshooting a network issue and needs to check the ARP table on his computer. What kind of data will he find in the ARP table?
VLAN security groups
Domain name system
MAC addresses
Protocol logs
Elijah is setting up a new office and wants to install devices that can use Power over Ethernet (PoE). What devices can he use PoE on?
Network cameras
Wireless APs
Both
None of the above
In a computer networking class, Arjun learned that (a) is a link management protocol that provides path redundancy while avoiding looping in a network.
Aiden is setting up a wired network in his office. Before sending data, what method should he use to check for traffic on the wire?
Hub
PoE
CSMA/CD
CSMA/CA
During a networking class, Anika asked the instructor, "What is another name for IEEE 802.1Q?"
Trunk tagging
Switch portal
Port tagging
Interface tagging
David and Harper are setting up a network for their new office. They need to ensure that different VLANs can communicate efficiently. How does 802.1Q frame tagging help them achieve this?
By inserting a field to allow on-premise devices to communicate with cloud devices
By inserting a field into the frame to allow different VLANs to communicate
By inserting a field into the frame to identify the switch interface it belongs to
By inserting a field into the frame to identify the VLAN it belongs to
Olivia is setting up a network for her company and needs to ensure that different departments can communicate with each other over the same physical network infrastructure. What is the main purpose of IEEE 802.1Q in this scenario?
To allow routers to communicate with other routers
To provide a way for firewalls to communicate with switches
To provide inter-switch VLAN communication
To create EtherChannel links
In a school network managed by Benjamin, what is the default native VLAN which allows the trunks to accept information received without any VLAN identification or frame tag?
VLAN 0
VLAN 1
VLAN 10
Both a and b
James is setting up a network for his company and needs to implement link aggregation to improve bandwidth and redundancy. What is the name of the IEEE 802.3ad standard that he should use?
LACP
PAgP
Port tagging
Interface tagging
Elijah is setting up a home network and wants to know what the possible speeds of his Ethernet link can be.
10 Mbps
1 Gbps
10 Gbps
All of the above
During a network management class, Priya learned that the pause frame, also known as (a) , is a popular flow control method to help manage Ethernet traffic.
Elijah is setting up a network monitoring system in his office. How does a passive tap handle network packets?
It allows you to see all the traffic on the entire network
It allows you to see all the traffic moving across a single connection
It cuts the signal and sends a piece to an analysis tool
It provides a boost in signal as the traffic passes through
While setting up a network for his project, David needed a software-based version of a tap. He realized it was called (a) .
What is used to restrict input to an interface by identifying and limiting MAC addresses of workstations?
Anti-virus software
Firewall
Port security
Router
Which form(s) of transmitting uses two-way forms of communication and uses the same frequency to transmit and receive?
Ethernet hub
Duplex
IEEE 802.11
Both a and c
What agency creates and maintains operational standards?
IEEE
FCC
CIA
We use 2.4GHz and 5GHz to describe the frequency of wireless communication, however, the numeral provides both information about ______ and ______.
downstream/upstream
range/bandwidth
rate/cost
range/channel
Frequency bands are divided into several smaller bands called ______.
ranges
GHz
channels
sections
The 2.4GHz range is divided into how many channels?
7
11
25
45
The 5GHz range is divided into how many channels?
7
11
25
45
What agency regulates channel ranges and decides how channels can and cannot be used?
FCC
FBI
DHS
IEEE
______ is when a cable modem combines multiple channels to increase how much traffic can be comfortably supported.
Interface bonding
Channel bonding
Fiber optic
What is an SSID?
The LAN network name
The password to the WLAN
The serial number on the AP
The WLAN network name
What is the reason(s) for separating one network from another?
Bandwidth
Authentication
Security
All of the above
The (a) standards require SSIDs to be attached to the header of packets sent over a WLAN.
Why are SSIDs required to be attached to the header of packets sent over a WLAN?
To ensure data is encrypted both to and from the network
To ensure data is being transmitted to and from the correct network
To ensure data has confidentiality and integrity
All of the above
What is the maximum number of characters an SSID can be?
16 character
24 characters
32 characters
48 characters
An IBSS is often referred to as an ad-hoc network, what type of network is an ad-hoc good for?
Home
Small office
Enterprise
Both a and b
When you interconnect wireless access points within the same network with the same SSID this creates what?
Collision
Switch
Hub
ESS
(a) antennas send and receive signals equally from all directions.
(a) antennas pull in signals best from one direction.
Which antenna provides for a greater range?
Unidirectional
Directional
Dual directional
Omnidirectional
Why was WEP replaced with WPA?
TCP/UDP communication errors
LTE cellular communication advancements
Cryptographic weakness
Weak audit log capabilities
WPA improved on WEP by having what?
A larger initialization vector
An encrypted hash
A unique 128-bit encryption key
All of the above
What problem did WPA2 and WPA3 solve?
Incorporated a 512-bit key for better encryption
Ensured that only people with the right key can transmit and listen
Eliminated the need for TCP 3-way handshake
None of the above
(a) assigns a unique code to every call or transmission and spreads the data across the spectrum.
What type of attack allows a malicious user to make a copy of the SIM chip and make calls as if they are the original user?
SIM replica
SIM copying
SIM cloning
SIM duplicating
(a) is a type of cellular phone that contains a subscriber identity module (SIM) chip.
How much bandwidth does 3G communication offer?
2 Mbps
200 Mbps
1000 Mbps
1 Gbps
Which of the following is a standard for 5G?
OFDM
MIMO
mm Waves
All of the above
