1. What are two functions of a router? (Choose two.)
It connects multiple IP networks.
It controls the flow of data via the use of Layer 2 addresses. It determines the best path to send packets. It manages the VLAN database. It increases the size of the broadcast domain
2. When a router boots, what is the default order to locate the Cisco IOS if there is no boot system command? ROM, TFTP server, flash
flash, TFTP server, ROM
flash, NVRAM, TFTP server NVRAM, TFTP server, flash
3. Which router component is used to store the routing table? Flash NVRAM ROM
1. Which two things can be determined by using the ping command? (Choose two.) the number of routers between the source and destination device the IP address of the router nearest the destination device **the average time it takes a packet to reach the destination and for the response to return to the source **whether or not the destination device is reachable through the network the average time it takes each router in the path between source and destination to respond
2. What are three main types of high-bandwidth connection options used by medium- to large-sized businesses? (Choose three.) DSL cable modem Ethernet **metro Ethernet **T1 **T3
1. Refer to the exhibit. The exhibit shows simplified protocol data units from different OSI model layers. Which three statements are true about the PDUs and the encapsulation process? (Choose three.)
PDU #1 is a frame.
PDU #2 is an application layer PDU
PDU #3 is a segment.
PDU #4 is a transport layer PDU.
The order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2.
The order in which these PDUs are created during the encapsulation process is 2, 1, 4, 3.
2. Which three application layer protocols use TCP? (Choose three.)
1. A network administrator is evaluating RIP versus EIGRP for a new network. The network will be sensitive to congestion and must respond quickly to topology changes. What are two good reasons to choose EIGRP instead of RIP in this case? (Choose two.)
EIGRP only updates affected neighbors.
EIGRP updates are partial.
1. A router has one static route configured to each destination network. Which two scenarios would require an administrator to alter the static routes that are configured on that router? (Choose two.)
The destination network is moved to a different interface on the same router.
A topology change occurs where the existing next-hop address or exit interface is not accessible.
2. Which of the following is true regarding CDP and the graphic shown?
By default, Router A will receive CDP advertisements from routers B and C. Читать полностью »
1. If a router cannot find a valid configuration file during the startup sequence, what will occur?
The router will prompt the user for a response to enter setup mode.
2. Refer to the exhibit. The network administrator has configured the router with the interface IP addresses shown for the directly connected networks. Pings from the router to hosts on the connected networks or pings between router interfaces are not working. What is the most likely problem?
The interfaces must be enabled with the no shutdown command. Читать полностью »
1. Refer to the exhibit. Host B attempts to establish a TCP/IP session with host C. During this attempt, a frame was captured at the FastEthernet interface fa0/1 of the San Francisco router. The packet inside the captured frame has the source IP address 10.10.1.2, and the destination IP address is 10.31.1.20. What is the destination MAC address of the frame at the time of capture? • 0060.7320.D632
• 0060.7320.D631
• 0040.8517.44C3
• 0009.B2E4.EE03
• 0010.C2B4.3421
2. What are three characteristics of CSMA/CD? (Choose three.) • It monitors the media for presence of a data signal.
• After detecting a collision, hosts can resume transmission after a random timer has expired.
• A jam signal is used to ensure that all hosts are aware that a collision has occurred.
• Devices can be configured with a higher transmission priority.
• Data is transmitted only when the data signal is present.
• It uses a token system to avoid collisions. Читать полностью »