Technical Assessment
The rules that govern a communication exchange
protocols
The length of an IP Version4 IP address can be described by which of the following
32 bits
TCP/IP Model
5 Layers
What is the bit length of a MAC address
6 bytes
OSI Model
7 Layers
What is a stub network?
A network that has only one entry and exit point
Which class of IP address provides a maximum of only 254 host addresses per network ID
Class C
The protocol data until (PDU) encapsulation is completed in which order?
Data, segments, packets, frames, bits
Which WLAN IEEE specification allows up to 54 Mbps at 2.4GHz?
G
How many broadcast domains are created when you segment a network with a 12 port switch?
1
Ethernet hubs operate at layer___, LAN switches work at layer ____, and routers work at layer ___
1,2,3
The following .IP address 172.16.20.55 converts to __in binary
10101100.00010000.00010100.00110111
How many collision domains are created when you segment a network with a 12 port switch?
12. Layer 2 switching creates individual collision domains
What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global internet?
PAT: permits multiple devices on a local area network (LAN) to be mapped to a single public IP address
Where is a hub specified in the OSI model?
Physical Layer
ICMP
Protocol that uses ping
Which of the following is a layer 2 protocol used to maintain a loop free network?
STP
What is the main reason why the OSI model was created?
So different networks could communicate
Which type of transmission is it when both stations communicate with each other simultaneously at the same time
full duplex
GUI stands for
graphical user interface
____ is a collection of many separate networks
an internet
CSMA/CD mean
carrier sense multiple access with collision detection
Which class of IP address has the most host addresses available by default?
class A
CLI is the acronym for
command line interface
To back up an IOS, what command will you use?
copy flash tfpt: trivial file transfer protocol, IOS is stored in flash when using router
Which command is used to upgrade an IOS on a Cisco router
copy tftp flash
If you wanted to delete the configuration stored in NVRAM, what would you type?
erase startup
a virtual LAN, commonly known as a VLAN, is a group of hosts with a common set of requirements that communicate as if they we attached to the same broadcast domain, regardless of their physical location
true
Ping
used to test the reachability of a host on an (IP) network, and to measure the round-trip time for messages sent from the originating host to a destination computer and echoed back to the source.