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1. Whihc protocol is used to securely interconnect network devices? A: TCP B: IPSEC C: L2TP D: PPTP E: IP/VPN OF: IEEE802.1X

1. Whihc protocol is used to securely interconnect network devices? A: TCP B: IPSEC C: L2TP D: PPTP E: IP/VPN OF: IEEE802.1X

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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3. 4. 5. Considering IP routing what statement is the best answer? O A: Static routing is always prefered over dynamic routing OB: Dynamic routing is always prefered over static routing ○ C: Static routing is prefered over dynamic routing if it gives the longest prefix match OD: Dynamic routing is prefered over static routing if it gives the shortest prefix match O E: Static route is allways used as a last-resort solution if the dynamic routing falls Which statement is correct regarding asymmetric cryptography? O A: Own public key of the peer is used during encryption to send encrypted message to the neighbor OB: Own public key is used to generate signed message and send it to the neighbor ○ C: Peer's public key of the peer is used during encryption to send encrypted message to that neighbor OD: Peer's private key is used to generate signed message and send it to that neighbor Which statement is true? O A: TCP/IP standards exactly match with ISO OSI layered reference model OB: TCP was the original transport layer protocol for IP. UDP was developed years later to support the increased demand on high spped communication. ○ C: UDP was the native IP protocol, TCP was introduced years later to support reliability. OD: PING' uses UDP only as a transport layer protocol O E: IP defines hop-by-hop transport, where every interim network device (the routes) makes individual decison on the forwarding to reach the target application. (see traceroute as a visualization of the hops) OF: None of above
Transcribed Image Text:3. 4. 5. Considering IP routing what statement is the best answer? O A: Static routing is always prefered over dynamic routing OB: Dynamic routing is always prefered over static routing ○ C: Static routing is prefered over dynamic routing if it gives the longest prefix match OD: Dynamic routing is prefered over static routing if it gives the shortest prefix match O E: Static route is allways used as a last-resort solution if the dynamic routing falls Which statement is correct regarding asymmetric cryptography? O A: Own public key of the peer is used during encryption to send encrypted message to the neighbor OB: Own public key is used to generate signed message and send it to the neighbor ○ C: Peer's public key of the peer is used during encryption to send encrypted message to that neighbor OD: Peer's private key is used to generate signed message and send it to that neighbor Which statement is true? O A: TCP/IP standards exactly match with ISO OSI layered reference model OB: TCP was the original transport layer protocol for IP. UDP was developed years later to support the increased demand on high spped communication. ○ C: UDP was the native IP protocol, TCP was introduced years later to support reliability. OD: PING' uses UDP only as a transport layer protocol O E: IP defines hop-by-hop transport, where every interim network device (the routes) makes individual decison on the forwarding to reach the target application. (see traceroute as a visualization of the hops) OF: None of above
1. Whihc protocol is used to securely interconnect network devices? O A: TCP OB: IPSEC C: L2TP D: PPTP O E: IP/VPN OF: IEEE802.1X 2. Which statment is true about the TCP 3 way-handshake (initiated by the host, and answered by a server)? O A: The server sends back the acknowledge as a SYN message with the same sequence number as it was received from the host. OB: The server sends back the acknowledge as a SYN message with the same sequence number as received. O C: The host always start the sequence numbering from 1024. OD: The server sends back the acknowledge as a SYN message with a random number as sequence ID. O E: Both the SYN-ACK and ACK messages uses a sequence number which is higher with one than the received one. (eg. if the received is 1024, then the ack is 1025) OF: Both SYN and SYN-ACK use random sequence number OG: None of above
Transcribed Image Text:1. Whihc protocol is used to securely interconnect network devices? O A: TCP OB: IPSEC C: L2TP D: PPTP O E: IP/VPN OF: IEEE802.1X 2. Which statment is true about the TCP 3 way-handshake (initiated by the host, and answered by a server)? O A: The server sends back the acknowledge as a SYN message with the same sequence number as it was received from the host. OB: The server sends back the acknowledge as a SYN message with the same sequence number as received. O C: The host always start the sequence numbering from 1024. OD: The server sends back the acknowledge as a SYN message with a random number as sequence ID. O E: Both the SYN-ACK and ACK messages uses a sequence number which is higher with one than the received one. (eg. if the received is 1024, then the ack is 1025) OF: Both SYN and SYN-ACK use random sequence number OG: None of above
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