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Unformatted text preview: False 10. Two LANs are interconnected through an IP router, when packets are exchanged between the two LANs, the router needs to check both the MAC header and IP header. A. True B. False 11. Segmentation and reassembly is always performed for every single packet. A. True B. False 12. What is the size of an IPv4 header without option fields? A. 20 octets B. 24 octets C. 32 octets D. 40 octets 13. If the first three bits of an IP address is 110, then this address belongs to class B. A. True B. False 14. We have a class B address space, then we use 5 bits for subnet. In this case, how many host addresses can each subnet support? A. 65534 B. 256 C. 2048 D. 2046 15. In an IP address, if all the bits in the host part are 1's, what does that mean? A. It's invalid B. It's for a specific host address C. It's for broadcast in that subnet D. It's for signaling...
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This note was uploaded on 09/10/2011 for the course EE 135 taught by Professor Dong during the Spring '11 term at NYU Poly.
- Spring '11