Common Assessment - Grade 11th - Spring 2025

Host-A has the IPv4 address and subnet mask 10.5.4.100 255.255.255.0. What is the network address of Host-A?

• 172.0.0
• 172.16.0.0
• 172.16.4.0
• 172.16.4.100

What command sequence you type to go from the > to the config#

• Type enable and then type show ip
• Type enable and then type configure terminal
• Type configure terminal and then type enable
• Type config interface and then type configure terminal

The subnet mask is used to identify the ______and network portions of an IPv4 address.

• Broadcast
• Host
• Classful
• Mac

How many bits are in an IPv4 address?

• 16 bits
• 32 bits
• 64 bits
• 128 bits

A Denial of Service

• Malicious software that executes arbitrary code and installs copies of itself in the memory of the infected computer, which then infects on the hosts.
• Malicious software which attaches to another program to execute a specific unwanted function of a computer.
• An application run to deny service to a website so that legitimate users cannot access the site, forcing the site to go down.
• An application run to look like something else, and when downloaded and opened, it attacks the end users computer from within.

The world largest WAN (wide area network) is the

• Extranet
• Ethernet
• Internet
• Intranet

The components of an IPV4 address are

• Logical dress and physical dress
• Client address and server address
• Mac address and IP address
• Network address and host address

The Nic is installed on

• The system board.
• Is CD-ROM drive
• the CPU
• Port in the modem

What does the binary number 10111011 equal in decimal form?

• 171
• 179
• 187
• 191

The category 5 cable exceeding 300 feet might result in

• Crosstalk
• Attenuation.
• A collision domain.
• Propagation.