Network 1 Flashcards
What provides clients with IP addresses and other TCP/IP config infor
DHCP
What blocks unwanted traffic from the internet
Firewall
What have access to the internet and can have either wireless clients, wired clients or both
SOHO-Small offices and home offices
What is the primary difference does SOHO have
Server to provide additional capabilities
What is an internal network
LAN
What is filtered to the internet for security purposes
Traffic back and forth
What is a group of networked computers that share a common workgroup name
Workgroup
In a Microsoft workgroup all the computers share what
The same workgroup
A office that is larger than 10 computers that need a centralized user and computer management is called what
Domain configuration
In Microsoft domains the domain controller is called what
Active Directory Domain services
What is where a user needs to sign on only once
Single sign on
Wha is used in a domain to configure, control, and mange users and computers
Group policy
What is used primarily to resolve computer name to IP address
DNS
If you have at least two domain controllers the domain data is automatically what
Replicated to each domain controller
You can improve performance by adding what to control and limit traffic in different areas
Subnet
Many organizations ___ the WAN links they use
Lease
What are two primary methods of remote access
Dial up
VPN
What provides access to an internal network over public network such as the Internet
VPN
A client uses a ___ to connect to a remote access server that also has a modem and a phone line
Modem and phone line
What defines internet communications
IETF - Internet Engineering Task Force
What is an RFC starts at the PS stage, the first official stage where the standard is introduced. Many standards never progress beyond this level
Proposed Standard (PS)
What is the standard has been tested and verified to work as expected
Draft Standard (DS)
What is the stage are widely used
Standard (STD)
What is single stage alternative to the previous stages and provides specs
Best Current Practice (BCP)
What defines standard for the World Wide Web
WWW - World Wide Web Consortium
What is a professional association dedicated to advancing technical innovation
IEEE - Institute of Electrical and Electronics Engingineer
What is a United Nations agency that includes members from 192 countries
ITU - International Telecommunication Union
What should be enabled on a computer that has direct connection to the internet
Firewall
True or false A WAP often provide access to the internet
True
A group of computers are connected in a single location. What is it called
LAN
A network is connected using high speed components rated at 1 Gbps. What does the b represent in Gbps
Bits
Users in the network have to remember an average of five usernames and passwords to access different computers. How can you reduce the number of passwords remembered by users
Change it to a domain
An employee is able to connect to the employer’s private network over the Internet. What is the employee using
VPN
What are two types of remote access servers
Dial up
VPN
True or false: all RFC’s are known as standards
False
What is a protocol suite used on the internet
TCP/IP
____ are written and then released to the world for comments
RFC
What is RFC short for
Request for comment
A cable that meets the 1000BaseT standard has a max length of
100m
A router’s static route is set by the
Network admin
What settings is used to determine the DNS settings on a client computer
NSLOOkUL
The default subnet mask do a class b network is
255.255.0.0
You need to divide a network in to three subnet. Which device should you use
Router
What type of connector used on a 100BaseT Ethernet cable is
RJ-45
In addition to switching, multilayer switches also
Provides layer 3 routing functions
One reason to replace an unmanaged switch with a manager switch is to
Support multiple VLAS
To directly connect the Ethernet network cards of two computers, you should use
Crossover cable
The function of a router is to
Toward traffic to other networks
If a router can not determine the next hop for a packet, the router will
Forward the packet to the default route
In which physical network topology is each computer connected to a central point
Star
Which two topology are connectivity options for wide area network
Dial up
Leased line
A private network that allows members of an organization to exchange data is an
Intranet
Security is a concern on wireless networks due to
The radio broadcast access method
A characteristic of the mesh topology is that it
Uses redundant paths
To protect a network when it is connected to the internet, you should use a
Firewall
One purpose of a perimeter network is to
Make resources available to the internet
Which protocol can be used to encrypt packets on the internet
HTTPS
The default port used for SMTP is
25
What is a common physical control measure?
Employing guards or security personnel
Guards act as a visible deterrent.
How do guards or security personnel function in security measures?
As a visible deterrent
Their presence can discourage potential threats.