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
Correct Answer :
B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces
Related Questions
RIP has a hold-down period of ____________ seconds.
60
120
180
280
If the 1900's mode is FDUP, and the LED is _________, the port speed is set to autodetect.
Green
Off
Amber
None of these
IOS images can be loaded from all the following except:
ROM
Flash
NVRAM
TFTP
Which type of traffic is not flooded?
Multicast
Known unicast
Broadcast
Unknown unicast
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
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.
You are given the following addressing information: 10.0.8.0/22. What type of address is this?
Network
Directed Broadcast
Host
The TCP/IP protocol stack has ________ layers.
4
5
6
7
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 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.
A ___________ is basically all of the components, hardware and software, involved
in connecting computers across small and large distances.
LAN
WAN
Network
SAN
What router command saves the active configuration to NVRAM?
copy nvram startup-config
copy startup-config running-config
copy running-config nvram
copy running-config startup-config
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.
Which router command specifies the ISDN switch the router is connected to?
isdn switch-type
isdn connection-type
isdn spid1
interface serial0:15
The default encapsulation on a synchronous serial interface is _________.
HDLC
PPP
Neither HDLC nor PPP
The slot number of a 1900's Fast Ethernet uplink ports is ________.
0
1
2
No slot number is used
You have a 24-channel T1 connection to your router. How many VCs does this T1 support?
1
24
No limit
RIP supports load balancing for up to __________ ___________ paths.
Six, unequal-cost
Four, unequal-cost
Four, equal-cost
Six, equal-cost
Which router command creates a standard named ACL called test?
ip access-list test
access-list test
ip access-list standard test
access-list standard test
What command creates a DHCP address pool on a router?
ip dhcp
ip pool dhcp
ip dhcp pool network
ip dhcp pool
The _________ reference point defines the connection between the NT2 and the NT1.
P
Q
R
T
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.
_________ is/are a routed protocol.
RIP
OSPF
Both RIP and OSPF
Neither RIP or OSPF
When using debug with PAP, which of the following message types might you see?
AUTH-ACK
SUCCESS
CHALLENGE
None of these
A _________ connects two or more LANs in the same geographic area.
LAN
WAN
MAN
SAN
If the port status LED on a 2950 is ________, there is a physical layer connection problem.
Flashing green and amber
Flashing green
Amber
Flashing amber
Which of the following WAN categories does ISDN fall under?
Dedicated circuit connection
Circuit-switched connection
Packet-switched connection
Which type of traffic is sent to a group of devices?
Multicast
Unicast
Broadcast
Groupcast
When choosing a dynamic routing protocol, which of the following should not be considered?
Metrics used
How routing information is shared
How routing information is processed
Number of PCs in the network