QUIZ #2 COMPUTER NETWORKS

1. Which command enables port security on a Cisco switch?

• a) enable port-security

• b) switchport port-security

• c) vlan security

• d) secure-port enable

• e) switchport enable

2. What is the primary purpose of a VLAN?

• a) To increase network bandwidth

• b) To create isolated broadcast domains

• c) To prevent MAC address flooding

• d) To encrypt data

• e) To block unauthorized devices

3. What is the purpose of inter-VLAN routing?

• a) To create separate broadcast domains

• b) To allow communication between VLANs

• c) To increase security

• d) To prevent VLAN hopping

• e) To block outside traffic

4. Which protocol eliminates loops in a switched network?

• a) RIP

• b) OSPF

• c) STP

• d) VLAN

• e) HSRP

5. What is the primary benefit of link aggregation?

• a) It reduces the number of IP addresses

• b) It allows VLAN tagging

• c) It increases network bandwidth

• d) It increases VLAN isolation

• e) It simplifies IP routing

6. In DHCPv4, what is the purpose of the DHCPACK message?

• a) To acknowledge IP address assignment

• b) To broadcast subnet masks

• c) To assign DNS servers

• d) To offer IP addresses

• e) To verify network topology

7. How does SLAAC generate IPv6 addresses?

• a) From DHCP servers

• b) By using a gateway address

• c) Using router advertisements

• d) By manual input

• e) By using DNS

8. What is the DHCPv6 message used to request an IP address?

• a) Advertise

• b) Solicit

• c) Confirm

• d) Reply

• e) Offer

9. HSRP provides what type of redundancy?

• a) Load balancing

• b) Hot standby for routers

• c) VLAN routing

• d) Spanning Tree

• e) DHCP redundancy

10. Which of these options strengthens switch security?

• a) IP address filtering

• b) VLANs

• c) Port security

• d) OSPF

• e) Link aggregation