CCNA 1 & 2

A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)

- Traffic crossing the network -Type of traffic crossing / traveling through -Latency created by number of devices, of the data crossing

Match the phases to the functions during the boot up process of a Cisco router.

1. Perform POST 2. Locate and load startup Config 3. Locate nad load cisco IOS software

RFC 1918 (Private IP addresses)

10.0.0.0 - 10.255.255.255 (10/8 prefix) 172.16.0.0 - 172.31.255.255 (172.16/12 prefix) 192.168.0.0 - 192.168.255.255 (192.168/16 prefix)

What is the valid most compressed format possible of the IPv6 address 2001:0DB8:0000:AB00:0000:0000:0000:1234?

2001:DB8:0:AB::1234 (There can only be one :: to elimate the zeros)

What is the usable number of host IP addresses on a network that has a /26 mask?

62 (it would be 64 - 2 'network and broadcast')

What type of communication rule would best describe CSMA/CD?

Access Method

Which message delivery option is used when all devices need to receive the same message simultaneously?

Broadcast

Presenation Layer Handles;

Compression & Common Format

What is a basic characteristic of the IP protocol?

Connectionless

For Cisco IOS, which escape sequence allows terminating a traceroute operation?

Ctrl-Shift-6

Session Layer handles;

Dialog Maintenance

Transport Layer Handles;

Error Recovery, Flow control, and Connection Establishment

Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators?

Extranet

Application Layer Handles;

HTTP & FTP, and end user progrma functionality

What is a characteristic of the LLC sublayer?

It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.

What PDU is associated with the transport layer?

Segment

What is the purpose of the SVI on a Cisco switch?

The SVI provides a virtual interface for remote access to the switch.

What is a characteristic of multicast messages?

They are sent to a select group of hosts.

Which two commands can be used on a Windows host to display the routing table?

route print netstat -r