WorksheetsSection 3 - Network Devices
Total questions: 20
Worksheet time: 16mins
Which network component connects a device to transmission media and allows the device to send and receive messages?
Peripheral
Protocol
Network interface card
Server
At which OSI model layer does a media converter operate?
Layer 1
Layer 2
Layer 3
Layer 4
Which of the following are true about the MAC address?
32-bit address
48-bit address
64-bit address
represented with decimal numbers 0-255
represented with hexadecimal numbers
Which of the following best describes how a switch functions?
It connects multiple cable segments (or devices) and broadcasts frames to all of its ports.
It connects multiple cable segments (or devices) and forwards frames to the appropriate segment.
It connects multiple segments of different architectures. It translates frames and broadcasts them to all its ports.
It connects multiple segments of different architectures. It translates frames and forwards them to the appropriate segment.
An eight-port switch receives a frame on port number 1. The frame is addressed to an unknowns device. What will the switch do?
Send the frame out ports two through eight.
Send the frame out all eight ports.
Drop the frame.
Send the frame out the destination port.
At which OSI layer does a router operate to forward network messages?
Network
Session
Physical
Transport
Data Link
You are the network administrator for a small organization. Recently, you contracted with an ISP to connect your organization's network to the internet to provide users with internet access. Since doing so, it has come to your attention that an intruder has invaded your network from the internet on three separate occasions. What type of network hardware should you implement to prevent this from happening again?
Switch
Firewall
Router
CSU/DSU
You have a server that has a 100BaseFX network interface card that you need to connect to a switch. The switch only has 100BaseTX switch ports. Which device should you use?
Gateway
Bridge
Repeater
Media converter
How do switches and bridges learn where devices are located on a network?
When a frame enters a port, the source IP address is copied from the frame header.
When a frame enters a port, the destination IP address is copied from the frame header.
When a frame enters a port, the destination MAC address is copied from the frame header.
When a frame enters a port, the source MAC address is copied from the frame header.
Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents? (Select two)
Router
Repeater
Switch
Hub
Gateway
Which of the following hardware devices links multiple networks and directs traffic between networks?
Repeater
Router
Hub
Bridge
Which of the following is a valid MAC address?
192.168.12.15
34-9A-86-1G-B3-24
83-5A-5B-0B-31-55-F1
C0-34-FF-15-01-8E
255.255.255.0
Your company purchases a new bridge that filters packets based on the MAC address of the destination computer. On which layer of the OSI model is this device functioning?
Network
Transport
Data Link
Session
Physical
Which of the following is a good reason to install a firewall?
To limit public access to just your DHCP server instead of your whole network.
To cache web pages.
To prevent hackers from accessing your network.
To translate between internet IP addresses and the IP addresses on your private network.
Which layers of the OSI model does a network adapter operate at? (select two)
Physical
Data Link
Network
Transport
Which of the following devices does NOT operate at the network layer of the OSI model?
Router
Firewall
Access Point
Layer 3 Switch
Which of the following are true regarding bridges? (select two)
Bridges are used to separate one part of a subnet from another.
Bridges can connect two segments that use different types of network architecture.
Bridges can process multiple frames simultaneously.
Bridges operate at layer 3 of the OSI model.
What device can be described as a hub for a wireless network?
Bridge
Switch
Access Point
Firewall
Which of the following can be changed on a managed switch by an administrator? (Select all that apply.)
Duplexing
VLAN assignment
Routing table
Port speed
A host wants to send a message to another host that has the IP address 115.99.80.157. IP does not know the hardware address of the destination device. Which protocol can be used to discover the MAC address?
ICMP
DHCP
DNS
ARP
