Data Comms II Finals Reviewer

What type of device routes traffic destined to network segments beyond the source network segment for which the sending node may not have explicit routing information?

• virtual router
• standby router
• default gateway
• Layer 3 switch

Answer explanation

A device that serves as the default gateway is responsible for routing traffic destined for network segments that are beyond the source network segment.

What device presents the illusion of a single router to hosts on a LAN segment but actually represents a set of routers working together?

• virtual router
• forwarding router
• default gateway
• Layer 3 switch

Answer explanation

A virtual router is actually a set of routers working together to present the illusion of a single router to the hosts on a LAN segment.

What device is part of a virtual router group assigned the role of alternate default gateway?

• virtual router
• standby router
• default gateway
• Layer 3 switch

What device that is part of a virtual router group assigned to the role of default gateway?

• virtual router
• forwarding router
• default gateway
• Layer 3 switch

Answer explanation

A forwarding router is a device that is part of a virtual router group that is assigned to the role of default gateway.

Which FHRPs are Cisco-proprietary? (Choose two.)

• IRDP
• HSRP
• HSRP for IPv6
• VRRPv2

Answer explanation

HSRP and HSRP for IPv6 are both Cisco-proprietary. VRRPv2 and IRDP are both non-proprietary protocols.

What is the default HSRP priority?

• 50.0
• 100.0
• 150.0
• 255.0

Answer explanation

The default HSRP priority is 100. The priority range is 0-255. The router with the highest priority will become the active router.

True or False? If a router with a higher HSRP priority joins the network, it will take over the active router roll from an existing active router which has a lower priority.

• True
• False

Answer explanation

The correct answer is False. HSRP active routers remain the active router even if another router with a higher priority joins the network.

During which HSRP state does an interface begin sending periodic hello messages?

• initial
• listen
• speak
• active

Answer explanation

In the HSRP speak state the router begins to send periodic hello messages.

Which is a characteristic of the HSRP learn state?

• the router has not determined the virtual IP address
• the router knows the virtual IP address
• the router sends periodic hello messages
• the router actively participates in the active/standby election process

Answer explanation

In the HSRP learn state the router has not yet determined the virtual IP address.

What is the purpose of HSRP?

• It prevents a rogue switch from becoming the STP root.
• It provides a continuous network connection when a router fails.
• It enables an access port to immediately transition to the forwarding state.
• It prevents malicious hosts from connecting to trunk ports.

Answer explanation

HSRP is a first hop redundancy protocol and allows hosts to use multiple gateways through the use of a single virtual router.