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WorksheetsNETWORKING 1 FINAL EXAMINATION
Total questions: 70
Worksheet time: 50mins
What does P2P stand for?
Point-to-Point
Peer-to-Peer
Personal-to-Private
Peer-to-Provider
When assigning a static IP, you should ensure ______?
It does not conflict with other devices
It’s hidden from users
It matches the printer model
It changes daily
In a client-server setup, what must be installed on the client computer?
Server OS
DHCP server
Client software
Switch firmware
A technician sets a static IP on a workstation. Which step must be included?
Disable DHCP service
Enter the correct gateway and subnet mask
Change the MAC address
Turn off the monitor
A PC receives an IP address starting with 169.254.x.x. What does this indicate?
The router is malfunctioning
The device failed to obtain an IP from the DHCP server
The gateway is blocked
The computer is connected via VPN
Why is ping useful in troubleshooting?
It restarts the system.
It blocks network access.
It confirms end-to-end connectivity.
It assigns IP addresses.
What is the difference between ping and tracert?
Ping checks connectivity; tracert shows the path
Both are the same.
Ping shows routes; tracert checks latency.
Ping shows MAC addresses.
What does WLAN stand for?
Wide Local Area Network
Wireless Local Area Network
Web Line Access Network
Wired Local Area Network
What could cause Wi-Fi authentication errors?
Power fluctuation
Wrong security type
Channel width
IP conflict
Design a security plan to protect a small office network from malware. Which steps should it include?
Assign random IP addresses only
Ping all devices daily
Flush DNS weekly
Install updated antivirus, configure firewalls, enforce user training, and segment network with VLANs
Design a network setup to minimize insider threats. Which elements are necessary?
Access control and user authentication
Assign VLANs randomly
Flush DNS cache
Reboot all PCs daily
Why should a default router password be changed?
To increase channel width
To change SSID
To prevent unauthorized configuration access
To speed up the network
What is the main function of DHCP?
To automatically assign IP addresses to devices
To monitor wireless networks
To share printers between computers
To manage domain names
Which of the following is a valid private IP address?
127.0.0.1
192.168.1.1
255.255.255.255
8.8.8.8
A company needs to prioritize security and accountability. Which IP configuration fits best?
Open gateway
Random DHCP
Hidden IPs
Static IPs with documentation and access logs
Why should DNS servers be correctly configured even with a valid IP and gateway?
Because DNS resolves domain names into IP addresses for browsing
To assign MAC addresses
To enable printer sharing
How can you create a fault-tolerant gateway setup?
Use dual routers with failover configuration
Set same IPs
Disable DHCP
Use static-only configuration
When setting up a lab network, how should IPs be organized?
Use duplicate IPs
Assign IPs by device type and function for clarity
Skip gateway configuration
Use random numbers
Which of the following is an example of a network threat?
Printer
Router
Virus
DHCP server
What is a firewall used for?
To store files
To assign IP addresses
To increase Wi-Fi speed
To control network traffic based on rules
Multiple workstations report malware infection. What analysis helps determine the cause?
Trace route
Check common sources like shared drives, emails, or websites
Assign new IPs
Flush DNS
A phishing email was opened, and sensitive data was stolen. Which analysis helps prevent recurrence?
Review email filters and enable two-factor authentication
Flush DNS
Assign new IP addresses
Trace route to email server
Why do organizations prefer client-server networks?
To reduce security
For slower data access
To minimize performance
For centralized control
How does a peer-to-peer network differ from a client-server network?
P2P needs domain authentication
P2P requires server hardware
P2P shares resources without a central server
P2P uses routers as servers
Why do network administrators prefer using CLI for configuration?
It provides more control and faster access to advanced settings
It has better graphics
It automatically updates the router firmware
It prevents typing errors
Why is the no shutdown command important when configuring interfaces?
It backs up configuration
It activates the interface
It resets VLAN settings
It deletes IP configuration
You cannot access a website, but you can ping its IP address. What does this indicate?
Router is offline
Network cable unplugged
Firewall blocked ICMP
DNS issue
A PC cannot connect to the network. You run ipconfig and see 169.254.x.x. What should you do first?
Ping 127.0.0.1
Run nslookup
Check DHCP server
Trace the route
A company experiences repeated malware infections despite antivirus protection. What is the best evaluation?
Review user behavior, update antivirus, and enforce security policies
Replace all computers immediately
Change IP addresses randomly
Flush DNS cache only
A user clicks a suspicious email link and reports unusual system behavior. Which action should be taken first?
Trace route to server
Reboot the computer
Change VLANs
Run antivirus scan to detect and remove malware
You want to block all traffic from a specific IP address. Which tool is best?
Antivirus
Firewall
Ping
Tracert
A user reports that their Wi-Fi signal keeps dropping. What is the most likely cause?
Channel interference
Incorrect IP configuration
Keyboard malfunction
Antivirus conflict
When a user can detect the SSID but cannot connect, what should be checked first?
Power cord
Password and encryption type
Device color
Antenna alignment
A company wants fault tolerance and can afford high costs. Which topology is ideal?
Ring
Bus
Star
Mesh
A 2.4 GHz network interferes with a microwave oven nearby. What's the reason?
Router is outdated
Low encryption
Both operate on similar frequencies
SSID hidden
Why might WPA3 not connect to old devices?
Incompatible firmware
Weak password
Hidden SSID
Router location
Which wireless standard supports speeds up to 600 Mbps?
802.11g
802.11n
802.11b
802.11a
The latest Wi-Fi 6 standard is known as ______.
802.11ax
802.11ac
802.11g
802.11n
Which device connects wireless clients to a wired network?
Switch
Router only
Hub
Access Point
What is the purpose of an SSID?
To assign IP addresses
To secure routers
To identify a wireless network
To manage firewalls
How do you prevent IP duplication in manual setups?
Record assigned IPs and plan address ranges
Disable static IPs
Use identical addresses
Remove subnet masks
A student wants to connect two PCs to share files and Internet. What device can be used?
Bluetooth speaker
Router
Webcam
Mouse
You are configuring a router interface. Which command should come first?
interface gig0/0
no shutdown
interface vlan
show ip route
A user connects to a switch and sees “Switch>”. What should they type to enter privileged EXEC mode?
setup
run
configure terminal
enable
What would a “Ping: Transmit failed. General failure” mean?
Internet slow.
Firewall blocked ping
Local networking issue on the computer
DNS error.
Which of the following is a basic troubleshooting step?
Change the IP address randomly
Replace cables immediately.
Check physical connections
Reboot the entire network.
If you can ping the router but not the Internet, what might be wrong?
DHCP disabled
DNS or gateway issue
Switch malfunction
Faulty NIC
You run ping 8.8.8.8 and it works, but ping google.com fails. Which solution is best?
Check and correct DNS server settings
Replace the router
Reboot PC
Run tracert only
You notice high latency during ping tests. Which tool helps identify the cause?
nslookup
ipconfig
ping loopback
tracert
A network administrator wants to verify that all routers along a path are operational. Which tool should they use?
tracert
ping only
ipconfig
nslookup
Users report slow network access and unknown processes are running. What is the most probable cause?
Firewall misconfiguration
VLAN mismatch
Malware consuming system resources
Cable unplugged
Logs show repeated failed login attempts. What should you investigate?
Ping connectivity
IP configuration
Flush DNS
Possible brute-force attack
A firewall blocks legitimate traffic. How should this be analyzed?
Trace route
Review and adjust firewall rules for exceptions
Assign new IPs
Replace switches
What is the main purpose of a network diagram?
To show physical or logical layout of network components
To track software licenses
To calculate bandwidth usage
To encrypt communication
What is the purpose of documentation in networking?
To reduce redundancy
To slow down workflow
To hide configurations
To provide reference for maintenance and troubleshooting
What does the acronym WLAN stand for?
(a)
What does the acronym WI-FI stand for?
(a)
What does the acronym FTP stand for?
(a)
What does the acronym WEP stand for?
(a)
What does the acronym WPA stand for?
(a)
What does the acronym SSID stand for?
(a)
Cisco command to enter in global configuration mode
(a)
Cisco command to enter in privilege EXEC mode.
(a)
Cisco command to configure router interface assuming the interface is GigabitEthernet 0/0.
(a)
Cisco command to create IP address in Gig0/0 interface. The IP should be 192.168.1.1 and the subnetmask is under Class C.
(a)
Cisco command to create a VLAN ID for CCS Dept which is VLAN10.
(a)
Cisco command to show all the VLAN created.
(a)
Cisco command to save configuration in the global configuration mode.
(a)
Cisco command to create a banner saying "++this is for authorized person only!++"
(a)
Cisco command to let the interface in the router enable.
(a)
