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