Computer Networking A Top-Down Approach 7th

1.  Home Self-Assessment True/False Quiz Chapter 6
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Self-Assessment True/False Quiz
Chapter 6: The Link Layer: Links, Access Networks, and LANs
All link layer protocols that support IP have the same frame structure (i.e., length of
frame, number and length of header elds).
CRC error detection, as used in Ethernet, is always able to detect whether there is an
error in a frame.
The even parity bit scheme can correct single bit errors.
With CDMA, each sender uses the same code, cm, m=1,...,M.
Computer Networking: a Top-Down
Approach, 7th Edition
Kurose • Ross
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With CDMA, each sender uses the same code, cm, m 1,...,M.
Each LAN adapter has a unique LAN address.
Consider a router with multiple ARP tables, one for each of its interfaces. No two of
these ARP tables can contain the same LAN address.
Consider a twisted-pair Ethernet in which all nodes are 50 meters from the hub. The
time it takes for a bit to propagate from hub to node for a 10BaseT Ethernet is ten
times longer then for a 100BaseT Ethernet.
The entries in a switch table need to be con gured by the network administrator.
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PPP excludes certain bit patterns in the network-layer packets that it carries.
Consider the switched LAN architecture in Figure 5.24. Assuming all links are full
duplex, there are never collisions in this LAN.
Consider a computer network consisting of several interconnected 10BaseT hubs,
but which does not include any bridges or routers. Then this network has only one
collision domain.
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