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Serial interfaces do not pass any MAC information because the information is formed using WAN encapsulation (PPP. HDLC, Frame Relay).

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Q: Briefly explain why the serial interfaces of the router do not have MAC addresses?
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What method should be used when applying IPv4 addresses to router interfaces on a network?

When applying IPv4 addresses to router interfaces on a network, you would manually configure predictable addresses. For example, the lowest or highest address of the local subnet, on each particular router interface.


A router that has 4 ports will require how many IP addresses?

It depends on how many interfaces of router are connected to other networks. If a router is connected to two network, it will have 2 IP addresses. In a router having 4 ports it can connect to maximum 4 networks. In this case it will have 4 IP addresses.


Can use 2 ipaddress for Router and how?

Yes, in fact, every interface (or port) in the router must have not only a different IP address, but IP addresses in different networks, if those interfaces are to participate in IP routing.


Which two commands can a technician use to determine whether router serial ports have ip addresses that are assigned to them?

"show interfaces" "show ip interface brief"


This command displays statistics for the network interfaces on the router.?

Show Interfaces


What is mean modular and non modular router?

In modular router the interfaces are not fixed so that we will be able to installed cards latter on this router. But in case of non modular router the interfaces r fixed, we cannot able to add ports/interfaces latter on. That's all


What is true about the router ID in a single area OSPF network?

The router ID is used to uniquely identify each router in the OSPF routing domain.If no loopback interfaces are configured, the router chooses the highest active IP address of any of its physical interfaces.


What are devices connected to host called?

Configure the router ID on both routers. Configure the R2 router interfaces for area 0. Configure a loopback interface on both routers. Configure the proper subnet masks on the router interfaces.


How many IP addresses does the router have?

A router may have multiple addresses depending on the number of interfaces to other networks. For a router to function effectively it must have at least 2 addresses, but some routers may have more.They Should only have one.


What makes a router a boundary router in RIP?

Boundary routers have interfaces in more than one major classful network.


How to know who is connected to a host?

Configure the R2 router interfaces for area 0.


What is the advantage of adding networks with a wildcard mask instead of using classful network addresses?

In OSPF, interfaces can be assigned to different areas. Many times, a router will be routing inside of a major network, but different interfaces will belong to different areas. You need the level of control given by wildcard masks to assign different interfaces to their appropriate areas, and not restrict an entire major network to be in one area.