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1 how does a vlan save a company time and money2 how does a vlan provide extra security for a network3 how does a vlan
1 how is a repeater different from an amplifier2 what do we mean when we say that a switch can filter traffic why is
1 if a label in a connection-oriented service is 8 bits how many virtual circuits can be established at the same time2
1 list four types of delays in a packet-switched network2 in figure 1810 assume that the link between r1 and r2 is
an isp is granted the block 807056021 the isp needs to allocate addresses for two organizations each with 500 addresses
an organization is granted the block 130560016 the administrator wants to create 1024 subnetsa find the number of
1 explain how dhcp can be used when the size of the block assigned to an organization is less than the number of hosts
assume router r2 in figure 1835 receives a packet with destination address 14024742 how is the packet routed to its
1 can the value of the header length field in an ipv4 packet be less than 5when is it exactly 52 a host is sending 100
1 mention the three auxiliary protocols at the network layer of the tcpip suite that are designed to help the ipv4
1 list three types of autonomous systems ass described in the text and make a comparison between them2 explain the
1 in a graph if we know that the shortest path from node a to node g is a rarr b rarr e rarr g what is the shortest
create a foreign agent advertisement message using 1672 as the sequence number and a lifetime of 4 hours select your
an ip datagram has arrived with the following partial information in the header in hexadecimal45000054 00030000 2006a
in an ipv4 datagram the value of total-length field is 00a016 and the value of the header-length hlen is 516 how many
1 is registration required if the mobile host acts as a foreign agent explain your answer2 discuss how the icmpv4
1 what are the source and destination ip addresses in a datagram that carries the icmpv4 message reported by a router2
in computer science when we encounter an algorithm we often need to ask about the complexity of that algorithm how many
in distance-vector routing good news decrease in a link metric will propagate fast in other words if a link distance
when does an ospf router send each of the following messagesa hellob data descriptionc link-state requestd link-state
1 can a router combine the advertisement of a link and a network in a single link-state update2 explain why we can have
1 in a very small as using ospf is it more efficient to use only one single area backbone or several areas2 why do you
assume that we have an isolated as running rip we can say that we have at least two different kinds of datagram traffic
define the group of each of the following multicast addresses local network control block internetwork control block
assume we have 20 hosts in a small as there are only four groups in this as find the number of spanning trees in each