Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: None of these application, presentation and session physical datalink and network Session, transport and network datalink, network and transport None of these application, presentation and session physical datalink and network Session, transport and network datalink, network and transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following medium access control technique is used for bus/tree? token bus token ring MAC CSMA None of these token bus token ring MAC CSMA None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A front-end processor is preliminary processor of batch jobs. None of these a minicomputer that relieves main-frame computers at a computer centre of communications control functions a user computer system a processor in a large-scale computer that executes operating system instructions preliminary processor of batch jobs. None of these a minicomputer that relieves main-frame computers at a computer centre of communications control functions a user computer system a processor in a large-scale computer that executes operating system instructions ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many bits internet address is assigned to each host on a TCP/IP internet which is used in all communications with the host? 16 - bits None of these 32 - bits 64 - bits 48 - bits 16 - bits None of these 32 - bits 64 - bits 48 - bits ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively? POP3 DHCP SMTP 2 IMAP POP3 DHCP SMTP 2 IMAP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with? access-list 10 deny 172.16.144.0 0.0.7.255 access-list 10 deny 172.16.64.0 0.0.31.255 access-list 10 deny 172.16.48.0 255.255.240.0 access-list 10 deny 172.16.136.0 0.0.15.255 access-list 10 deny 172.16.144.0 0.0.7.255 access-list 10 deny 172.16.64.0 0.0.31.255 access-list 10 deny 172.16.48.0 255.255.240.0 access-list 10 deny 172.16.136.0 0.0.15.255 ANSWER DOWNLOAD EXAMIANS APP
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