Network 2 Flashcards
What is the IEEE standard for Ethernet
802.3
What is a group of tech used to connect networks using media such as twisted pair and fiber optic connections
Ethernet
What is the IEE standard for wireless
802.11
What is traffic sent from one computer to one other computer
Unicast
What is transmitted by one computer and goes to all computers within a sublet
Broadcast
What is one to one traffic between two computers on a network not just on a subnet
Unicast
What is traffic sent from one computer to all other computers on a subnet
Broadcast
Computers are connected within a subnet using
Hubs or switches
What does both hubs and switches do
Pass broadcast traffic
What is transmitted from one computer to many other computers
Multicast
What is one to many traffic on a network
Multicast traffic
What happens when a computer joins a multicast group
The NIC is internally configured to process traffic using multicast group’s IP address
What is the primary protocol used to transmit and process multicast traffic
IGMP
What is a group of devices on the same segment that are subject to collisions
Collision domain
What occurs when two devices on the same segment sent traffic are subject to collisions
Collisions
What is a group of devices on a network that can receive broadcast traffic from each other
Broadcast domain
What connect computers in a network
Switches
What passes broadcast traffic to all connections so it does not separate broadcast domains
Switches
What connect networks
Routers
What do not pass broadcast traffic and creates both separate collision domains and separate broadcast domains
Routers
What provide basic connectivity for devices in a network
Hubs
What can be physical or logical
Ports
What is a physical connection on a network
Physical port
What is a number used to identify a protocol or service
Logical port
What allows you to create more collision domains, reduce collisions and improve network performance
Switches
What connect computer within a network similar to how hub connect the computers
Switches
What is a network that connects two or more networks segments together
Bridge
VPNs are implemented to provide
A secure connection through public networks
If 802.llg internet connection has connectivity problems what may be the cause
Electromagnetic Interference (EMI)
Which factors has the biggest impact on data transmission speed in a wireless network
Transmission standard of the equipment used
Which of the following uses a tunneling protocol
VPN
A network that separates an organization’s private network from a public network
Perimeter
Default port for telnet is
23
When a clients DHCP issued address expires the client will
Attempt to obtain a new address by broadcasting
What is called if the DHCP is unable to communicate with DHCP server from which it obtained its lease and 87.5 percent of its lease time has expired
Rebinding
What is IP addressing infor is leased to a client and the client is responsible for renewing the lease
Renewing
You ping a server by using fully FQDN and do not receive a response. You then ping the same server by using its IP address and receive a response. Why do you receive a response on the second attempt but not on the first
DNS is not resolving
A media Access Control address identifies a
Network Interface Card
Two companies want to share data by using the internet. What type of network provides the solution
Extranet
A service that resolves NetBIOS names to IP addresses is
WINS-windows internet name service
What type of DNS record maps host names to addresses
Host A DNS record
Teredo tunneling is a protocol that
Allows IPv6 connectivity through IPv4
What is the default subnet mask for a class c Internet network
255.255.255.0
What is the default subnet mask for a class b Internet network
255.255.0.0
What is the default subnet mask for a class a Internet network
255.0.0.0
A computer that has an IP address of 269.254.0.1 cannot access the network. What services should you confirm is available
DHCP
What network does the IP address 220.100.100.100 belong too
220.100.100.0/24
The ping tool is used to
Self test a host’s own network interface
Determine whatever a host is reachable
What features of DHCP
Address reservation
IP address exclusion
The command line tool used to list a hosts active incoming connections is
NETSTAT
What determines the media a access method that used in a network
Topology and protocols
What wireless authentication method provides the highest level of security
WPA - wi - fy protected access
What is one reason to incorporate VLANS in a network is to
Reduce the number of nodes in a broadcast domain
What layer is the FTP protocol
FTP
The top level domain of www.adventureworks.com is
.com
What layer in the OSI are hardware addresses referenced
Data link
What represents IPv6 loopback address
::1
What address is a multicast address
224.0.0.1
What’s the range of multicast addresses
224.0.0.0 to 239.255.255.255.255
What uses pointer records and A records
DNS Server
The ipconfig command will
Display a clients address
The host name of the FQDN mail.exchange.corp.nwtraders.com is
