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
Correct Answer :
A. 0.0.0.0
Related Questions
A routing protocol that supports route summarization must perform all except which of the following?
Carry the subnet mask with the network entry.
Make routing decisions based on the entire destination IP address.
Summarize entries so that the same lowest-order bits match.
None of these.
Extended traceroute works from which mode?
User EXEC
Privilege EXEC
Configuration
User and Privilege EXEC
Which of the following is false concerning VLANs?
A VLAN is a broadcast domain.
A VLAN is a logical group of users.
A VLAN is location-dependent.
A VLAN is a subnet.
Which control sequence moves the cursor to the end of the line?
CTRL-A
ctrl-p
ctrl-e
ctrl-z
You are given a Class B network with a subnet mask of 255.255.255.192. How many host
addresses are there on each subnet?
30
62
126
254
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
Which of the following are not features of ACLs?
Restricting telnet access to a router
Prioritizing WAN traffic
Filtering traffic from the router
Triggering dialup phone calls
Which type of routing protocol uses the Shortest Path First algorithm?
Distance vector
Link state
Hybrid
Extended IP ACLs should be placed as close to the ____________ device as possible.
Source
Destination
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
Your router is running RIP and OSPF and both routing protocols are learning 192.168.1.0/24. Which routing protocol will your router use for this route?
RIP
OSPF
A 1924 has _________ Ethernet interfaces.
24
26
27
28
Which of the following is not an advantage of DHCP?
It allows for the use of private addressing.
It reduces the amount of configuration on devices.
It reduces likelihood of configuration errors.
It gives you more control by centralizing IP addressing information.
When you have configured PPP on an interface and use the show interfaces command, what state indicates the successful negotiation of a network layer protocol?
ACK
CHALLENGE
CLOSED
OPEN
When connecting a router to a PC, use a __________ cable.
Crossover
Straight-through
Rollover
With a rollover cable, pin 7 on one end is mapped to pin ________ on the other end.
2
3
4
5
You are given the following addressing information: 172.17.16.255/23. What type of address is this?
Network
Directed Broadcast
Host
PPP can do all of the following except ___________.
Authentication
Compression
Quality of Service
None of these
The TCP/IP protocol stack has ________ layers.
4
5
6
7
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
You have ISL trunks in your network and five VLANs configured. How many instances of STP are running?
1
5
10
15
___________ defines LAPD, which is responsible for the data-link layer connection between the router and the ISDN switch.
Q.931
Q.921
I.921
I.931
VLSM allows a network segment to have more than one subnet mask.
True
False
Which of the following is a private address?
192.169.7.17
172.32.28.39
10.1.256.8
172.16.255.89
Which of the following is true concerning ACLs?
Order of the statements is automatic.
All statements are processed.
If no match is found, the packet is permitted.
You can delete a specific statement in a named list.
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.
What would you use to prevent a packet from traveling around a routing loop forever?
Split horizon
Poison reverse
Hold-down timer
TTL
An _____________ is a public IP address associated with an inside device.
Inside global IP address
Inside local IP address
Outside global IP address
Outside local IP address
You are given the following addressing information: 10.0.8.0/22. What type of address is this?
Network
Directed Broadcast
Host
When a carrier experiences congestion, it marks the _______ bit in the header of the Frame Relay frame.
CIR
DE
BECN
FECN