Which of the following situations are best for DDR connections?
Primary WAN connection
A lot of constant traffic
Long phone calls
Backup connection
Correct Answer :
D. Backup connection
Related Questions
An idle DDR connection will be torn down after _________ seconds of not seeing interesting traffic.
120
122
130
132
When using debug with PAP, which of the following message types might you see?
AUTH-ACK
SUCCESS
CHALLENGE
None of these
How many steps do LCP and NCP go through when setting up a connection?
1
2
3
4
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
Which router command would you use to view the configuration register value?
show register
show interfaces
show configuration
show version
An OSPF's router ID is based on __________.
The lowest IP address on its loopback interface, if configured, or the lowest IP address onits active interfaces
The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces
The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces
The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces
___________ only translates one (and only one) IP address to another.
NAT
PAT
PAR
NAT and PAT
The ___________ converts an ISDN four-wire connection to a two-wire connection.
NT5
NP1
NT1
TN1
You have this binary value: 11000001. This equates to _____ in decimal.
183
193
173
203
Which of the following is not true concerning TCP?
Provides for reliable connections
Uses windowing for flow control
Multiplexes applications
Is more efficient than UDP
Which command defines interesting traffic?
dialer-group
dialer-list
dialer map
dialer remote-name
Which 2950 command enables trunking?
switchport mode trunk
trunking on
trunking enable
switchport trunk on
Which interface type is used to connect to the serial interface of a router?
EIA/TIA-232
V.35
DB-60
X.21
Which is an example of a hybrid protocol?
IGRP
EIGRP
RIPv1
OSPF
The address of a Frame Relay VC is called a ___________.
Data link layer connection identifier
Data layer connection index
Data link connection index
Data link connection identifier
A __________ route is the best path to reach a destination within the topology table.
Successor
Feasible successor
Advertised distance
Feasible distance
If you enter a command in either User EXEC mode or Privilege EXEC mode that the IOS does not recognize, the switch or router
Logs you out
Tries to resolve the command to an IP address
Executes the closest command that it can find in its command set
Makes a "beep" sound
Which router command specifies the ISDN switch the router is connected to?
isdn switch-type
isdn connection-type
isdn spid1
interface serial0:15
Which router command would you use to test only layer-3 connectivity?
telnet
show cdp traffic
show interfaces
traceroute
OSPF hellos are sent every __________ seconds on a multi-access medium.
5
10
15
40
Which of the following are classless protocols?
IGRP
EIGRP
IGRP and EIGRP
Neither IGRP or EIGRP
If you see a VC with an inactive status, this indicates ____________.
The connection between both Frame Relay DTEs is up and operational.
The connection between your Frame Relay DTE and DCE is up and operational, but there is something wrong with connection between your connected Frame Relay switch and the destination DTE.
You are not receiving any LMI messages from the Frame Relay switch.
What command assigns a User EXEC password to a 2950 switch?
password
login
enable password
enable password level
Which metric components, by default, are used in IGRP? (Choose all the correct answers.)
Delay
Reliability
Load
Bandwidth
A _________ provides a high-speed infrastructure to move data between storage devices and file servers.
SAN
LAN
CN
SAN and CN
VLSM allows you to summarize 192.168.2.0/24 and 192.168.3.0/24 as 192.168.2.0/25.
True
False
How would you suspend a telnet session?
CTRL-SHIFT-X 6
CTRL-SHIFT-6 X
CTRL-6 X
CTRL-C
_________ allows you to create this summarization: 10.0.0.0/7.
Subnetting
CDR
Supernetting
VLSM
The _________ command takes you from User EXEC mode to Privilege EXEC mode
DISABLE
ENABLE
When choosing a networking product, you should consider all of the following except _______.
Ease of installation and support
Product features and functions
Backplane capacity
Amount of memory