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WorksheetsChapter 1 - 3 (Introduction to Network)
Total questions: 12
Worksheet time: 7mins
A user is implementing security on a small office network. Which two actions would provide the minimum security requirements for this network? (Choose two.)
implementing an intrusion detection system
implementing a firewall
installing a wireless network
installing antivirus software
adding a dedicated intrusion prevention device
What type of device is used to connect multiple networks together?
Access point
Switch
Hub
Router
What is the primary purpose of network protocols?
To connect devices physically
To restrict user access
To ensure devices can communicate
To secure the network
What is the purpose of using the 'enable' command in the Cisco IOS?
To configure a network interface
To reset the router
To enter privileged EXEC mode
To enter global configuration mode
Which of the following is a characteristic of the console port?
It is used for connecting devices wirelessly.
It is used for direct, physical access to the device.
It allows remote management of the device.
It requires an IP address to be configured.
How do you save the running configuration to NVRAM on a Cisco device?
(a)
Which layer of the OSI model is responsible for addressing and routing packets?
Network
Physical
Data Link
Transport
Which protocol operates at the Transport layer and is connection-oriented?
ICMP
UDP
IP
TCP
In the OSI model, which layer is responsible for providing error detection and correction?
Physical
Data Link
Network
Presentation
Which of the following best describes an IP address?
A static identifier assigned by the network administrator
A number that identifies the device’s location in the OSI model
A physical address
A unique identifier for a network interface on a device
What command is used to save the configuration on a Cisco device?
copy running-config startup-config
write memory
save config
backup config
What is the function of a switch in a network?
To route packets between different networks
To connect devices within the same network
To provide wireless connectivity
To filter and block unwanted traffic
