osi-model
GATE CSE & IT · OSI & TCP/IP Models · 2004-2014
Study anchor
Forouzan — Data Communications and Networking
Layered models, IP, routing, TCP, data link protocols
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All concepts →In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is
An IP machine Q has a path to another IP machine H via three IP routers R1, R2, and R3. Q—R1—R2—R3—H H acts as an HTTP server, and Q connects to H via HTTP and downloads a file. Se...
A layer-4 firewall (a device that can look at all protocol headers up to the transport layer) CANNOT
Match the following: List - I (P) SMTP (Q) BGP (R) TCP (S) PPP List - II (1) Application layer (2) Transport layer (3) Data link layer (4) Network layer (5) Physical layer
Choose the best matching between Group 1 and Group 2 : Group –1 P. Data link layer Q. Network layer R. Transport layer Group – 2 1. Ensures reliable transport of data over a physic...