BPDU stands for ____________.
Bridge Protocol Description Unicast
Bridge Protocol Data Unit
Bridge Protocol Description Unit
Bridge Protocol Data Unicast
Correct Answer :
B. Bridge Protocol Data Unit
Related Questions
When connecting a switch to a router, use a ___________ cable.
Crossover
Straight-through
Rollover
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
The 1900 switch supports ________ VLANs.
10
32
64
250
_________ describe(s) users that can connect to a network from any location.
SOHO
Branch office
Mobile users
Corporate office
The _________ command takes you from User EXEC mode to Privilege EXEC mode
DISABLE
ENABLE
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
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
Which interface type is used to connect to the serial interface of a router?
EIA/TIA-232
V.35
DB-60
X.21
What command creates a DHCP address pool on a router?
ip dhcp
ip pool dhcp
ip dhcp pool network
ip dhcp pool
Which of the following are classless protocols?
IGRP
EIGRP
IGRP and EIGRP
Neither IGRP or EIGRP
You are given a class C network, 192.168.1.0/24. You need one network with 120 hosts and three networks with 60 hosts. What subnet mask values would you use?
255.255.255.128 and 255.255.255.192
255.255.255.128
255.255.255.192
None of these
Which of the following situations are best for DDR connections?
Primary WAN connection
A lot of constant traffic
Long phone calls
Backup connection
Which type of traffic is sent to a group of devices?
Multicast
Unicast
Broadcast
Groupcast
172.16.240.256 is a class __________ address.
A
B
C
None of the above
Which of the following WAN categories does ISDN fall under?
Dedicated circuit connection
Circuit-switched connection
Packet-switched connection
A __________ topology uses a single connection to connect all devices together.
Bus
Star
Point-to-point
Ring
Which types of memory do not maintain their contents during a power-off state?
NVRAM
ROM
RAM
Flash
When configuring the ip nat inside source command, which parameter must you specify to perform PAT?
pat
overload
load
port
___________ 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
OSPF supports a ________-layer hierarchical design.
1
2
3
Multi
A __________ route is the best path to reach a destination within the topology table.
Successor
Feasible successor
Advertised distance
Feasible distance
There are _________ actions a router can take when there is a match on an ACL statement
1
2
3
4
Which command takes you from Privilege EXEC mode to User EXEC mode?
enable
disable
exit
logout
The OSPF process ID is __________.
Locally significant and is the router ID
Globally significant and must be configured on every router
Locally significant
OSPF doesn't use a process ID, but an AS number
Which of the following is true concerning ISL?
It is supported on both the 1900 and 2950 switches.
It adds a 26-byte trailer and 4-byte header.
Tagging is done in software.
The original Ethernet frame is not modified.
191.75.39.24 is a Class __________ address.
A
B
C
None of the above
How would you suspend a telnet session?
CTRL-SHIFT-X 6
CTRL-SHIFT-6 X
CTRL-6 X
CTRL-C
A ___________ is similar to a telephone circuit-switched connection.
PVC
SVC
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.
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