You are given a Class C network with a subnet mask of 255.255.255.248. How many host addresses are there on each subnet?
4
6
8
14
Correct Answer :
B. 6
Related Questions
Which is not one of the three main functions of a layer-2 device?
Learning
Forwarding
Listening
Removing loops
When a carrier experiences congestion, it marks the _______ bit in the header of the Frame Relay frame.
CIR
DE
BECN
FECN
You have ISL trunks in your network and five VLANs configured. How many instances of STP are running?
1
5
10
15
Which control sequence moves the cursor to the end of the line?
CTRL-A
ctrl-p
ctrl-e
ctrl-z
Private addressing is defined in RFC ______.
1920
1934
1818
1918
You are given a Class C network with 25 bits of networking. How many subnets do you have?
1
2
3
4
You examine your interfaces, and the Ethernet 0 interface status says: Ethernet 0 is up, line protocol is down. What does this indicate?
There is a physical layer problem.
There is a data link layer problem.
There is a network layer problem.
There is no problem.
Which of the following is true concerning full-duplexing?
It can either send or receive frames, but not both simultaneously.
It can be used with hubs.
It can be used with 10Base5 cabling.
It uses point-to-point connections.
_________ has a physical star topology but a logical ring topology.
FDDI
Token Ring
Ethernet
FDDI and Token Ring
A Class A address has _________ host bits.
8
16
20
24
When configuring your terminal emulation software for a console connection, set the flow control to __________.
Hardware
Software
None
OSPF uses __________ as a metric.
Bandwidth
Delay
Cost
Hop count
When configuring the ip nat inside source command, which parameter must you specify to perform PAT?
pat
overload
load
port
Which frame field is different between ISO HDLC and Cisco's HDLC?
Address
Control
Flag
Proprietary
Which router-on-a-stick command defines the VLAN for the interface?
vlan
encapsulation
trunk
frame-type
Which of the following commands belongs on the physical interface when using dialer profiles?
dialer pool-member
dialer-group
ip address
dialer string
Distance vector protocols use ___________ to disseminate routing information.
Unicast
Multicast
Broadcast
Which of the following is the most expensive type of WAN connection?
Dedicated circuit connection
Circuit-switched connection
Packet-switched connection
The ___________ is the point where the carrier's responsibility ends and yours begins.
Local loop
Demarcation point
CPE
Toll network
Which is an example of a hybrid protocol?
IGRP
EIGRP
RIPv1
OSPF
A _________ is a network that provides a secure connection from a company to other business partners.
Intranet
Extranet
Internet
Which of the following is true concerning 802.1Q?
It supports hub connections.
It is supported on both the 1900 and 2950 switches.
The native VLAN is tagged.
The original Ethernet frame is not modified.
Which of the following reasons might you need to use address translation?
You have to use public addressing because your ISP didn't assign you enough private addresses.
You are using private addresses but have changed ISPs, and your new ISP won't support these private addresses.
You want to assign the same IP address to multiple machines so that users on the Internet see this offered service as a single logical computer.
You are merging two companies that use different address spaces.
When examining the IP routing table, an EIGRP route will be shown as what letter?
I
E
O
D
__________ 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
The _________ is your network equipment, which includes the DCE (e.g., a modem) and the DTE (e.g., a router).
Demarcation point
Carrier switch
Local loop
CPE
Which is true concerning a port in a listening state? (Choose all correct answers.)
.
It remains there for 15 seconds.
It forwards BPDUs and builds the CAM table
It remains there for 20 seconds.
It forwards BPDUs.
You are given the following addressing information: 10.0.8.0/22. What type of address is this?
Network
Directed Broadcast
Host
IOS images can be loaded from all the following except:
ROM
Flash
NVRAM
TFTP
Which router command clears all of the static translations in the address translation table?
erase ip nat translation *
clear ip nat translation *
clear ip nat translation all
None of these commands