ICND2 - Part 4 Quiz Flashcards
Access Control Lists (ACLs) can be applied inbound and/or outbound per interface.
a. True
b. False
a. True
What is the range of standard numbered ACLs?(Choose 2)
a. 1-99
b. 100-199
c. 1300-1999
d. 2000-2699
a. 1-99
c. 1300-1999
ACLs are matched using a first-match logic starting from the top down.
a. True
b. False
a. True
Given the following line on an ACL, what is matched?
Access-list 1 deny 10.1.1.0 0.0.0.255
a. 10.1.1.0
b. 10.1.1.255
c. 10.1.1.0 – 10.1.1.255
d. 10.0.0.0 – 10.255.255.255
c. 10.1.1.0 – 10.1.1.255
What is at the end of an ACL even if not specified?
a. A permit all statement
b. A deny all statement
c. Nothing
d. A permit for the rest of the subnets not specified
b. A deny all statement
How do I apply an access-list to an interface?
a. Ip access-class 1 in/out
b. Ip access-list 1 in/out
c. Ip access-group 1 in/out
d. Ip access 1 in/out
c. Ip access-group 1 in/out
Extended ACLs permit the device to do what?
a. Filter based on source, destination, and protocol
b. Filter based on source and destination
c. Filter based on destination
d. Filter based on source and port
a. Filter based on source, destination, and protocol
What is the following extended access-list denying?
Access-list 101 deny ip host 1.1.1.1 host 2.2.2.2
a. All packets from host 2.2.2.2 to host 1.1.1.1
b. All packets from host 1.1.1.1 to host 2.2.2.2
c. Only UDP packets from host 2.2.2.2 to 1.1.1.1
d. Only TCP packets from host 1.1.1.1 to host 2.2.2.2
b. All packets from host 1.1.1.1 to host 2.2.2.2
What is the following extended access-list permitting?
Access-list 105 permit tcp 10.0.0.0 0.0.0.255 20.0.0.0 0.0.0.255 eq 22
a. Host 10.0.0.0 is being permitted SSH to 20.0.0.0
b. Host 20.0.0.0 is being permitted telnet to 10.0.0.0
c. Hosts on network 10.0.0.0/24 are being permitted SSH to hosts on 20.0.0.0/24
d. Hosts on network 10.0.0.0/24 are being permitted telnet to hosts on 20.0.0.0/24
c. Hosts on network 10.0.0.0/24 are being permitted SSH to hosts on 20.0.0.0/24
Placing an extended ACL as close to the source as possible will filter sooner and thus save bandwidth.
a. True
b. False
a. True
Only one field in an access-list command needs to match in order to match a packet.
a. True
b. False
b. False
Standard ACLs should be placed as close to the destination as possible.
a. True
b. False
a. True
More specific statement should be placed first in the ACL.
a. True
b. False
a. True
What command can we use to see the access-lists configured and how many matches have been made?
a. Show ip access-group
b. Show standard access-lists
c. Show extended access-lists
d. Show ip access-lists
d. Show ip access-lists
How can I see what access-list is applied to an interface? (Choose 2)
a. Show run
b. Show ip interface f0/0
c. Show ip access-lists
d. Show interface status
a. Show run
b. Show ip interface f0/0
QoS gives us the tools to manage Bandwidth, Delay, Jitter, and loss.
a. True
b. False
a. True
What is jitter?
a. The variation of two way delay between consecutive packets.
b. The variation of one way delay between consecutive packets.
c. The variation of one way loss between consecutive packets.
d. The variation of two way reliability between consecutive packets.
b. The variation of one way delay between consecutive packets.
The Cisco guidelines for Video traffic are:
a. Bandwidth: 384 Kbps to 20+ Mbps Delay (one-way): 200 – 400 ms Jitter: 20 – 50 ms Loss: 0.1% - 1% b. Bandwidth: 384 Kbps to 20+ Mbps Delay (one-way): 100 – 400 ms Jitter: 30 – 50 ms Loss: 0.1% - 0.5% c. Bandwidth: 768 Kbps to 20+ Mbps Delay (one-way): 200 – 400 ms Jitter: 30 – 50 ms Loss: 0.1% - 2% d. Bandwidth: 768 Kbps to 20+ Mbps Delay (one-way): 100 – 200 ms Jitter: 30 – 50 ms Loss: 1% - 1.5%
a. Bandwidth: 384 Kbps to 20+ Mbps
Delay (one-way): 200 – 400 ms
Jitter: 20 – 50 ms
Loss: 0.1% - 1%
Classification is the process of matching fields to decide what QoS action to take.
a. True
b. False
a. True
DSCP is used to do what?
a. Classification
b. Marking
c. Matching
d. Queueing
b. Marking
Which has the best drop tolerance?
a. AF21
b. AF22
c. AF23
d. EF
d. EF
Which has the best queueing?
a. AF21
b. AF22
c. AF41
d. AF31
e. AF23
f. AF32
c. AF41
DSCP is not backwards compatible with IPP.
a. True
b. False
b. False
Class-Based Weighted Fair Queuing (CBWFQ) does what?
a. Provide a priority queue for important traffic.
b. Provide a class for traffic.
c. Provide a minimum amount of bandwidth for each class.
d. Initiate queuing
c. Provide a minimum amount of bandwidth for each class.
Low Latency Queueing (LLQ) does what?
a. Provide a priority queue for important traffic.
b. Provide a class for traffic.
c. Provide a minimum amount of bandwidth for each class.
d. Initiate queuing
a. Provide a priority queue for important traffic.
Shaping delays packets to conform to a specified rate while policing….
a. Classifies packets
b. Queues packets
c. Discards packets
d. Passes packets
c. Discards packets
Where is shaping applied in a network?
a. At the ingress interface on the edge router.
b. At the egress interface on the edge router.
c. At the ingress interface on the LAN side of the network.
d. At the egress interface on the LAN side of the network.
b. At the egress interface on the edge router.
When a queue gets full and drops packets, what is the term used?
a. Drop
b. Weighted Drop
c. Back Drop
d. Tail Drop
d. Tail Drop
