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Q. Difficulties in Internetwork Communication?
- Data arrive at interface f1 of s1
- How does s1 know that they must be sent out from interface f3?
- There is no provision in the data link or else Physical layer to help s1 to select correct decision.
- Because the frame contains the MAC Address of A (Source) and
- The MAC Address of S1 (destination)
For LAN (or) WAN
- Delivery means carrying the frame through one link, not beyond
Q. Use of Two-Layer Switch? - Performs at the physical as well as data link layer - A bridge with many ports designed for faster performance - Allocates unique port to ea
Describe what is meant by Asymmetric Multiprocessing (AMP)? Ans) It imposses hierarchy and a division of labour between processors. Only one designated processor, the master, co
Q. What are the trends in Network Security ? Trends in Network Security Improved vigilance for virus infections Continual maturation of firewall technologies
Demarcation is the point in which responsibility changes hands.
Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
VLAN ( Virtual Local Area Network) is a concept of creating distinct broadcast domains. It is a network which aims at partitioning the physical network. VLAN comprises all the attr
Wide Area Network WAN Wide Area Network ( WANs) connect larger geographic areas such as London the UK or the world. In this types of networks dedicated transoceanic cab
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
network diagram which must include at least 2router,2bridge and 4 switches and must have different protocols and different cable...?
Q. Define transport layer of osi model? - The transport layer regulates information flow to makes sure end-to-end connectivity between host applications reliably and accurately
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