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.
Correct Answer :
A. It remains there for 15 seconds.
Related Questions
You have a 24-channel T1 connection to your router. How many VCs does this T1 support?
1
24
No limit
You are given a class C network, 192.168.1.0/24. You need three networks with 60 hosts and two networks with 30 hosts. What are the subnet mask values you could use?
255.255.255.128 and 255.255.255.192
255.255.255.224 and 255.255.255.240
255.255.255.192 and 255.255.255.224
None of these
What would you use to prevent a packet from traveling around a routing loop forever?
Split horizon
Poison reverse
Hold-down timer
TTL
The ___________ converts an ISDN four-wire connection to a two-wire connection.
NT5
NP1
NT1
TN1
A ___________ is basically all of the components, hardware and software, involved
in connecting computers across small and large distances.
LAN
WAN
Network
SAN
A __________ topology uses a single connection to connect all devices together.
Bus
Star
Point-to-point
Ring
VLSM allows you to summarize __________ back to the class boundary.
Subnets
Networks
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 2950 command assigns a VLAN to an interface?
vlan-membership static
vlan
switchport access vlan
switchport mode access
You are in Interface Subconfiguration mode and want to completely return to Privilege EXEC mode. What would you enter? (Choose all correct answers.)
CTRL-Z
end
exit
logout
With _________ switching, the switch reads the destination MAC address of the frame and
immediately starts forwarding the frame.
Store-and-forward
Cut-through
Fragment-free
Runtless
Which type of routing protocol uses the Shortest Path First algorithm?
Distance vector
Link state
Hybrid
RIP supports load balancing for up to __________ ___________ paths.
Six, unequal-cost
Four, unequal-cost
Four, equal-cost
Six, equal-cost
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 frame field is different between ISO HDLC and Cisco's HDLC?
Address
Control
Flag
Proprietary
Extended traceroute works from which mode?
User EXEC
Privilege EXEC
Configuration
User and Privilege EXEC
How would you suspend a telnet session?
CTRL-SHIFT-X 6
CTRL-SHIFT-6 X
CTRL-6 X
CTRL-C
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
The default encapsulation on a synchronous serial interface is _________.
HDLC
PPP
Neither HDLC nor PPP
You are given a Class C network with 25 bits of networking. How many subnets do you have?
1
2
3
4
Which of the following commands belongs on the physical interface when using dialer profiles?
dialer pool-member
dialer-group
ip address
dialer string
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
Which of the following is false concerning OSPF?
It provides a loop-free topology.
It is a classful protocol and allows for a hierarchical design.
It requires more memory and processing cycles than distance vector protocols.
It is complex to configure and difficult to troubleshoot.
There are _________ actions a router can take when there is a match on an ACL statement
1
2
3
4
When a carrier experiences congestion, it marks the _______ bit in the header of the Frame Relay frame.
CIR
DE
BECN
FECN
Which router command performs an overwrite process? (Choose all correct answers.)
copy running-config startup-config
copy startup-config running-config
copy tftp running-config
copy running-config tftp
_________ describe(s) users that can connect to a network from any location.
SOHO
Branch office
Mobile users
Corporate office
Which 2950 command enables trunking?
switchport mode trunk
trunking on
trunking enable
switchport trunk on
What command assigns a User EXEC password to a 2950 switch?
password
login
enable password
enable password level
_________ defines how the Frame Relay DTE and DCE interact with each other.
DLCI
CIR
LMI
PMI