Topic 2, Exam B
Which QoS tool is used to optimize voice traffic on a network that is primarily intended for data traffic?
A.
FIFO
B.
WFQ
C.
PQ
D.
WRED
PQ
Which result occurs when PortFast is enabled on an interface that is connected to another switch?
A.
Spanning tree may fail to detect a switching loop in the network that causes broadcast storms
B.
VTP is allowed to propagate VLAN configuration information from switch to switch automatically.
C.
Root port choice and spanning tree recalculation are accelerated when a switch link
goes down
D.
After spanning tree converges PortFast shuts down any port that receives BPDUs
Spanning tree may fail to detect a switching loop in the network that causes broadcast storms
Explanation: Enabling the PortFast feature causes a switch or a trunk port to enter the
STP forwarding-state immediately or upon a linkup event, thus bypassing the listening and
learning states.
Note: To enable portfast on a trunk port you need the trunk keyword “spanning-tree portfast
trunk
While examining excessive traffic on the network, it is noted that all incoming packets on an
interface appear to be allowed even though an IPv4 ACL is applied to the interface.
Which two misconfigurations cause this behavior? (Choose two)
A.
The packets fail to match any permit statement
B.
A matching permit statement is too high in the access test
C.
A matching permit statement is too broadly defined
D.
The ACL is empty
E.
A matching deny statement is too high in the access list
A matching permit statement is too high in the access test
A matching permit statement is too broadly defined
A network administrator enabled port security on a switch interface connected to a printer. What is the next configuration action in order to allow the port to learn the MAC address of the printer and insert it into the table automatically?
A.
enable dynamic MAC address learning
B.
implement static MAC addressing.
C.
enable sticky MAC addressing
D.
implement auto MAC address learning
enable sticky MAC addressing
Which protocol does an access point use to draw power from a connected switch?
A.
Internet Group Management Protocol
B.
Adaptive Wireless Path Protocol
C.
Cisco Discovery Protocol
D.
Neighbor Discovery Protocol
Cisco Discovery Protocol
Refer to the exhibit.
Which command must be executed for Gi1.1 on SW1 to become a trunk port if Gi1/1 on
SW2 is configured in desirable or trunk mode?
A.
switchport mode trunk
B.
switchport mode dot1-tunnel
C.
switchport mode dynamic auto
D.
switchport mode dynamic desirable
switchport mode dynamic auto
Refer to the exhibit.
To which device does Router1 send packets that are destined to host 10.10.13.165?
A.
Router2
B.
Router3
C.
Router4
D.
Router5
Router3
Refer to the exhibit.
Router R2 is configured with multiple routes to reach network 10 1.1 0/24 from router R1. What protocol is chosen by router R2 to reach the destination network 10.1 1 0/24?
A.
eBGP
B.
static
C.
OSPF
D.
EIGRP
static
Which function does an SNMP agent perform?
A.
it sends information about MIB variables in response to requests from the NMS
B.
it requests information from remote network nodes about catastrophic system events.
C.
it manages routing between Layer 3 devices in a network
D.
it coordinates user authentication between a network device and a TACACS+ or RADIUS server
it sends information about MIB variables in response to requests from the NMS
A network administrator must to configure SSH for remote access to router R1 The requirement is to use a public and private key pair to encrypt management traffic to and from the connecting client. Which configuration, when applied, meets the requirements?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Option C
Which JSON data type is an unordered set of attribute- value pairs?
A.
array
B.
string
C.
object
D.
Boolean
object
A packet is destined for 10.10.1.22. Which static route does the router choose to forward the packet?
A.
ip route 10.10.1.0 255.255.255.240 10.10.255.1
B.
ip route 10.10.1.16 255.255.255.252 10.10.255.1
C.
ip route 10.10.1.20 255.255.255.252 10.10.255.1
D.
ip route 10.10.1.20 255.255.255.254 10.10.255.1
ip route 10.10.1.20 255.255.255.252 10.10.255.1
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