You are given a class C network and you have four LAN segments with the following numbers of devices: 120, 60, and two with 30. What subnet mask values would you use to accommodate these segments?
/24, /25, and /26
/25, /26, and /27
/26, /27, and /28
None of these
Correct Answer :
B. /25, /26, and /27
Related Questions
Private addressing is defined in RFC ______.
1920
1934
1818
1918
_________ defines how the Frame Relay DTE and DCE interact with each other.
DLCI
CIR
LMI
PMI
A _________ uses Gigabit Ethernet as a media type
WAN
LAN
MAN
LAN and MAN
A _________ provides a high-speed infrastructure to move data between storage devices and file servers.
SAN
LAN
CN
SAN and CN
A 1924 has _________ Ethernet interfaces.
24
26
27
28
A __________ topology uses a single connection to connect all devices together.
Bus
Star
Point-to-point
Ring
What command creates a DHCP address pool on a router?
ip dhcp
ip pool dhcp
ip dhcp pool network
ip dhcp pool
__________ states that if a neighboring router sends a route to a router, the receiving router will not propagate this route back to the advertising router on the same interface.
Split horizon
Poison reverse
Hold-down timer
Hop count limit
When backing up your IOS image from flash, which of the following will the copy flash tftp command prompt you for? (Choose all correct answers.)
TFTP server IP address
Verification to copy
Source filename
Destination filename
Which of the following is not an advantage of route summarization?
It requires less memory and processing.
It supports smaller routing update sizes.
It contains network problems.
It supports discontiguous subnets.
___________ only translates one (and only one) IP address to another.
NAT
PAT
PAR
NAT and PAT
What subnet mask would you use to set up a default route?
0.0.0.0
255.255.255.255
Depends on the type of network number
None of these answers
RIP has a hold-down period of ____________ seconds.
60
120
180
280
Choose the following that a standard IP ACL can match on.
Destination address
IP protocol
IP protocol information
None of the above
A ________ topology describes how devices communicate with each other.
Physical
Logical
When using the show interfaces command, which Frame Relay information can you not see?
The DLCI number used for LMI
The number of LMIs sent and received
Statuses of PVCs
The LMI type
The _______ program goes out and finds the IOS and loads it.
ROMMON
Bootstrap
Mini-IOS
Loader
Which controller command specifies how ones and zeros are represented on a digital circuit?
framing
linecode
clock source
interface
A _________ is a network that provides a secure connection from a company to other business partners.
Intranet
Extranet
Internet
Which protocol supports VLSM?
RIPv2
IGRP
RIP and IGRP
None of these
When configuring a router-on-a-stick, the configuration is done on __________.
Physical interfaces
Major subinterfaces
Subinterfaces
EIGRP will route for ___________.
IP
IP and IPX
IP and AppleTalk
IP, IPX, and AppleTalk
Which is not one of the three main functions of a layer-2 device?
Learning
Forwarding
Listening
Removing loops
The function of the MODE button is to __________.
Change the status of the ports
Affect what the SYSTEM and RPS LEDs represent
Affect what the port LEDs represent
Change the status of all the LEDs
_________ has a physical star topology but a logical ring topology.
FDDI
Token Ring
Ethernet
FDDI and Token Ring
Which is an example of a hybrid protocol?
IGRP
EIGRP
RIPv1
OSPF
When a carrier experiences congestion, it marks the _______ bit in the header of the Frame Relay frame.
CIR
DE
BECN
FECN
When connecting a router to a PC, use a __________ cable.
Crossover
Straight-through
Rollover
A ___________ in a bit position of a wildcard mask means that the same bit position in the condition address must match the same bit position in the wildcard mask in order to execute the ACL's action.
0
1
10
11
A _________ looks at OSI Reference Model layers 4-7 to make intelligent decisions about how to obtain information for a user.
SAN
LAN
CN
SAN and CN