Subnetting Schemes
How many bits are within an IPV4 address?
Port 22
SSH
What can a company do to maintain data integrity and security?
Require Authentication at login.
How many bits are in an IPv6 address?
128 bits
What should a technician check when a user cannot access the web?
Unplugged Ethernet cable.
The subnet mask 255.255.255.0 provides how many usable host addresses?
254 Hosts
Ports 20 & 21
FTP
What is the term for entering a username and password?
Authentication
What utility is used to identify routing interruptions or delays from the host to the destination?
Tracert
What is the range of reserved port numbers?
1-1023 Ports
What are the two essential settings to configure a computer on a LAN?
IP address and subnet mask
Port 443
Https
Which statement is TRUE concerning employee personal email and internet use?
The company can limit the use of e-mail and the net at work.
(Or something similar).
Which function most accurately describes the use of a router?
Transfer data packets from one network subnet to another
(Or equivalent info).
What was the name of the first fully implemented network?
ARPANET.
Which is a valid Class A address and subnet mask combination?
16.15.4.8 255.0.0.0
(Or with similar subnetting).
Port 53
UDP
Which is the benefit of using a proxy server?
Extra Security.
A router operates at what layer of the OSI model?
Transport.
Which company developed the Ethernet protocol?
Xerox.
Describe the process of OSPF.
(Sufficient detail).
Port 179
BGP
A tech is replacing the CRT monitors with flat-panel LCD monitors. How should he dispose of CRTs?
Take them to a recycling disposal company.
What do the first three hexadecimal digits of the network card's MAC address represent?
The OUI
After reinstalling the OS, the network connection fails and there is no network icon on the desktop. What should you check first?
Check for Ethernet Drivers.