Dienstag, 5. März 2013

CCNA Exploration 1, kapitel 1

ENetwork Kapitel 1- CCNA  Exploration 1/NETWORK FUNDAMENTALS, V4.0  in english
 * Gute Antwort

1. Which of the following descriptions are true regarding the management connections on a Cisco router? (Choose three.)
*They are non-network connections.
They are used to connect the router to the rest of the production network.
They are synchronous serial ports.
*They are used for initial router configuration.
*They are asynchronous serial ports.
They are accessed using their assigned IP address.

2. The console port can be used for which of the following? (Choose three.)
*password recovery.
routing data between networks.
connecting one router to another.

3. Which of the following describes the function of a WAN?
connects peripherals in a single location.
connects multiple networks in a single building.
provides connectivity on a LAN.
*provides connectivity over a large geographic area.

4. An internetwork must include which of the following? (Choose three.)
static addressing.
IETF standardization.
*dynamic or static routing.
*consistent end-to-end addressing.

5. ABC Company just purchased three new routers to start their company network. Which items are needed to establish a terminal session between a PC and the router for the initial configuration? (Choose three.)
straight-through cable.
*terminal emulation software.
*rollover cable.
*RJ-45 to DB-9 connector.
V.35 cable.

6. Terminal emulation software, such as HyperTerminal, can be used to configure a router. Which of the following HyperTerminal options shown in the graphic are correctly set to allow configuration of a Cisco router? (Choose three.)
bits per second.
*data bits.
*stop bits.
flow control.

7. Which of the following devices are used in the construction of a WAN? (Choose three.)
*communication servers.
multi-port repeaters.

8. Which of the following are functions of RAM? (Choose three.)
contains startup configuration file.
*stores routing table.
*holds fast switching cache.
retains contents when power is removed.
*stores running configuration file.

9. Why is a console connection to a router or switch preferred when troubleshooting? (Choose two.)
can be accessed remotely.
*does not depend on network services.
*displays startup and error messages by default.
does not require special components.

10. Which basic components do a router and a standard desktop PC have in common? (Choose three.)
hard drive.
*input/output interfaces.
*system bus.

11. During the initial configuration of a 2600 series Cisco router, which cable is required for connecting a PC to the console port?

12. A router is composed of many internal components. Which of the following components stores a copy of the router’s configuration file?
metal-oxide memory.
read only memory.
flash memory.
*non-volatile random access memory.

13. What contains the instructions that a router uses to control the flow of traffic through its interfaces?
packet configuration.
*configuration files.
flash memory.
internal components.

14. Several Ethernet hosts on a LAN need the gateway services of a Cisco 2500 series router. Which of the following would be needed to physically connect a router to all of the hosts on the LAN? (Choose two.)
a crossover cable between the transceiver on a router and a switch.
a crossover cables between a switch and hosts on a LAN.
a straight-through cable between the auxiliary port on a router and a switch.
a rollover cable between the console port on a router and a switch.
*straight-through cables between a switch and hosts on a LAN.
*a straight-through cable between the transceiver on a router and a switch.

15. Which router component holds the configuration file when power is lost?
volatile random access memory.
read only memory.
*non-volatile random access memory.
flash memory.

16. Which of the following layers of the OSI model are incorporated in WAN standards? (Choose two.)
*physical layer.
application layer.
transport layer.
*data link layer.
session layer.

17. Which of the following are true regarding router interfaces? (Choose three.)
provide temporary memory for the router configuration files.
*connect the router to the network for packet entry and exit.
*can be on the motherboard or a separate module.
hold the IOS image.
*connect the router to LANs and WANs.

18. Which of the following tasks can be accomplished through a management connection on a router? (Choose three.)
*troubleshooting problems.
*monitoring the system.
capturing LAN data packets.
*configuring the router.
routing data packets.

19. What do routers use to select the best path for outgoing data packets?
ARP tables.
bridging tables.
*routing tables.
switching tables.

20. Which of the following are functions of NVRAM? (Choose two.)
stores the routing table.
*retains contents when power is removed.
*stores the startup configuration file.
contains the running configuration file.
stores the ARP table.

21. Select the statements that correctly describe flash memory in a 2600 series router? (Choose two.)
holds the startup configuration by default.
*can be upgraded with single in-line memory modules.
*stores Cisco IOS software images.
stores routing table information by default.
maintains the only copy of an IOS image after the router is booted.