Which three statements are true about the role of routers in the network? (Choose three.)

They propagate broadcasts.
They enlarge collision domains.
They segment broadcast domains.
They interconnect different network technologies.
Each router interface requires a separate network or subnet.
They maintain a common frame format between LAN and WAN interfaces.

A network administrator is required to use media in the network that can run up to 100 meters in cable length without using repeaters. The chosen media must be inexpensive and easily installed. The installation will be in a pre-existing building with limited cabling space. Which type of media would best meet these requirements?

STP
UTP
coaxial
single-mode fiber
multimode fiber

What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)

greater distances per cable run
lower installation cost
limited susceptibility to EMI/RFI
durable connections
greater bandwidth potential
easily terminated

What does the IEEE 802.2 standard represent in Ethernet technologies?

MAC sublayer
Physical layer
Logical Link
Control sublayer
Network layer

Ethernet operates at which layer of the TCP/IP network model?

application
physical
transport
internet
data link
network access

Refer to the exhibit. What command was executed on a host computer to produce the results shown?

route PRINT
arp –a
arp –d
netstat
telnet

Ethernet operates at which layers of the OSI model? (Choose two.)

Network layer
Transport layer
Physical layer
Application layer
Session layer
Data-link layer