Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: application, presentation and session Session, transport and network datalink, network and transport None of these physical datalink and network application, presentation and session Session, transport and network datalink, network and transport None of these physical datalink and network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which fields are contained within an IEEE Ethernet frame header?1. Source and destination MAC address2. Source and destination network address3. Source and destination MAC address and source and destination network address4. FCS field 2 and 3 only 1 and 4 2 only 3 only 2 and 3 only 1 and 4 2 only 3 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session? Decrease the sequence number. Send a different source port number. Restart the virtual circuit. Decrease the window size. Decrease the sequence number. Send a different source port number. Restart the virtual circuit. Decrease the window size. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What are two purposes for segmentation with a bridge?1. To add more broadcast domains.2. To create more collision domains.3. To add more bandwidth for users.4. To allow more broadcasts for users. 2 and 3 2 and 4 4 only 1 only 2 and 3 2 and 4 4 only 1 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What can cause a problem with communication with a client by name but not by IP address? Subnet mask The default gateway Static files such as an LMHOSTS file or a DNS database None of these The IP address Subnet mask The default gateway Static files such as an LMHOSTS file or a DNS database None of these The IP address ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In communication satellite, multiple repeaters are known as detector stations None of these modulator transponders detector stations None of these modulator transponders ANSWER DOWNLOAD EXAMIANS APP
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