What is the value (in bytes) of the Maximum Transmission Unit in an Ethernet-II frame? A. 512 B. 1500 C. 4500 D. 8232
Answer: B
What is the length, in bits, of the network interface-specific identifier (VID) of the Ethernet address?
Answer: 24
When a system boots, which file configures Ethernet network interfaces? A. /etc/inittab B. /etc/ifconfig.conf C. /etc/default/netmasks D. /etc/rcS.d/S30network.sh E. /etc/init.d/S3Onetwork.sh
Answer: D
Which two statements about a Layer 2 switch are true? (Choose two) A. A switch can convert between two different protocol suites. B. A switch can connect more than one pair of cable segments simultaneously. C. A switch can filter and selectively forward a packet based on the IP address in the packet. D. A switch can dynamically connect and disconnect two cable segments without operator intervention.
Answer: B, D
Which network device type can translate between different Network Interface Layer protocols? A. Hub B. Bridge C. Repeater D. Network interface card
Answer: B
In a given telnet communication, two IP addresses, 194.168.85.51 and 192.9.9.6, are involved in peer-to-peer communication. Datagrams leave the source host 194.168.85.51 and are transmitted to destination host 192.9.9.6. What should you expect to find in the IP header of an outbound datagram? A. Source port number. B. Destination port number. C. Destination IP address 192.9.9.6. D. Destination IP address 194.168.85.51.
Answer: C
In the five-layer TCP/IP model, which function does the Application Layer provide? A. Hardware CRC B. Packet framing C. Data formatting D. Datagram delivery
Answer: C
In the five-layer TCP/IP model, which two functions does the Network Interface Layer provide? (Choose two) A. Packet framing B. Cyclic Redundancy Checking C. Connections between applications D. Data addressing between networks
Answer: A, B
In the five-layer TCP/IP model, which protocol is contained in the same layer as IP? A. TCP B. UDP C. PPP D. ICMP E. SNMP
Answer: D
You configured an NTP server to use its local undisciplined clock and also an external server at address 192.20.201.1. Additionally, you created a fudge line: server 127.127.1.0 prefer server 192.20.20.1 fudge 127.127.1.0 stratum 12 What is the purpose of the fudge line? A. To ensure that the NTP protocol is currently disabled. B. To ensure that the synchronization is checked at 12:00 P.M. each day. C. To make the xntpd daemon check the clients clock every 12 minutes. D. To ensure
Answer: D
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