4428341
Descrição
Quiz por Anthony Schulmeister, atualizado more than 1 year ago
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Criado por Anthony Schulmeister
mais de 8 anos atrás
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Questão 1
Questão
When a range of ports is being configured for EtherChannel by the use of PAgP, which mode will form the bundled channel only if the port receives PAgP packets from another device?
Responda
-
desirable
-
auto
-
passive
-
active
Questão 2
Questão
Refer to the exhibit. A network administrator issued the show etherchannel summary command on the switch S1. What conclusion can be drawn?
Responda
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The EtherChannel is suspended.
-
The EtherChannel is not functional.
-
FastEthernet ports Fa0/1, Fa0/2, and Fa0/3 do not join the EtherChannel.
-
The port aggregation protocol PAgP is misconfigured.
Questão 3
Questão
Which command will initiate EtherChannel interface configuration mode?
Responda
-
channel-group group-identifier
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interface interface-identifier
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interface range interface-identifier
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interface port-channel interface-identifier
Questão 4
Questão
Which statement describes a characteristic of EtherChannel?
Responda
-
It can combine up to a maximum of 4 physical links.
-
It consists of multiple parallel links between a switch and a router.
-
It is made by combining multiple physical links that are seen as one link between two switches.
-
It can bundle mixed types of 100 Mb/s and 1Gb/s Ethernet links.
Questão 5
Questão
The trunk link between two 2960 switches has reached its capacity. How can this be addressed in the most economical way?
Responda
-
Decrease the size of the inter-switch collision domain by configuring additional VLANs.
-
Combine physical ports into a high-speed logical link by configuring EtherChannel.
-
Increase the speed of the ports.
-
Create additional broadcast domains by inserting a router between the switches.
Questão 6
Questão
Which three settings must match in order for switch ports to form an EtherChannel? (Choose three.)
Responda
-
The switch port numbers that will be combined to form the EtherChannel must match.
-
Port security settings on the connected physical interfaces must be configured to the same violation mode.
-
The interfaces must be configured to the same speed.
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Non-trunk ports must belong to the same VLAN.
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The duplex settings of the switch ports on both sides of the physical link must match.
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The SNMP community strings must be configured the same.
Questão 7
Questão
Which two protocols are link aggregation protocols? (Choose two.)
Responda
-
802.3ad
-
RSTP
-
STP
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PAgP
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EtherChannel
Questão 8
Questão
What is a best practice to use before beginning an EtherChannel implementation?
Responda
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Assign affected interfaces to VLAN 1.
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Enable each of the affected interfaces.
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Assign affected interfaces to the management VLAN
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Assign affected interfaces to an unused VLAN.
-
Shut down each of the affected interfaces
Questão 9
Questão
Refer to the exhibit. A network administrator has decided that an EtherChannel between ports 0/1 and 0/2 on switches S1 and S2 would help performance. After making the configuration, the administrator notices no performance gain. Based on the output that is shown, what two assumptions can the network administrator make? (Choose two.)
Responda
-
Switch S2 did not use a compatible EtherChannel mode
-
The EtherChannel bundle is not working.
-
LACP and PAgP were both used to form the EtherChannel
-
One of the ports on S2 was not configured correctly
-
Switch S2 must be configured so that the maximum number of port channels is increased.
-
The EtherChannel bundle is working.
Questão 10
Questão
Refer to the exhibit. Which switching technology would allow each access layer switch link to be aggregated to provide more bandwidth between each Layer 2 switch and the Layer 3 switch?
Responda
-
EtherChannel
-
trunking
-
HSRP
-
PortFast
Questão 11
Questão
Refer to the exhibit. The administrator tried to create an EtherChannel between S1 and the other two switches via the commands that are shown, but was unsuccessful. What is the problem?
Responda
-
Traffic can only be sent to two different switches if EtherChannel is implemented on Gigabit Ethernet interfaces.
-
Traffic cannot be sent to two different switches through the same EtherChannel link.
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Traffic can only be sent to two different switches if EtherChannel is implemented on Layer 3 switches.
-
Traffic cannot be sent to two different switches, but only to two different devices like an EtherChannel-enabled server and a switch.
Questão 12
Questão
A network administrator is configuring an EtherChannel link between switches SW1 and SW2 by using the command SW1(config-if-range)# channel-group 1 mode passive. Which command must be used on SW2 to enable this EtherChannel?
Responda
-
SW2(config-if-range)# channel-group 1 mode active
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SW2(config-if-range)# channel-group 1 mode passive
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SW2(config-if-range)# channel-group 1 mode desirable
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SW2(config-if-range)# channel-group 1 mode auto
Questão 13
Questão
An EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?
Responda
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S1-passive and S2-passive
-
S1-passive and S2-active
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S1-on and S2-active
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S1-on and S2-passive
Questão 14
Questão
Which two load balancing methods can be implemented with EtherChannel technology? (Choose two.)
Responda
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destination IP to destination MAC
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destination IP to source IP
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source IP to destination IP
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source MAC to destination MAC
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destination MAC to source MAC
-
destination MAC to destination IP
Questão 15
Questão
Which statement describes an EtherChannel implementation?
Responda
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A trunked port can be part of an EtherChannel bundle.
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PAgP cannot be used in conjunction with EtherChannel.
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EtherChannel operates only at Layer 2.
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EtherChannel can support up to a maximum of ten separate links
Questão 16
Questão
Which PAgP mode combination will establish an EtherChannel?
Responda
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switch 1 set to on; switch 2 set to desirable.
-
switch 1 set to desirable; switch 2 set to desirable.
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switch 1 set to auto; switch 2 set to auto
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switch 1 set to auto; switch 2 set to on.
Questão 17
Questão
Which statement is true regarding the use of PAgP to create EtherChannels?
Responda
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It mandates that an even number of ports (2, 4, 6, etc.) be used for aggregation.
-
It requires more physical links than LACP does
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It is Cisco proprietary
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It requires full duplex.
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It increases the number of ports that are participating in spanning tree.
Questão 18
Questão
When a range of ports is being configured for EtherChannel, which mode will configure LACP so that it initiates the EtherChannel negotiation?
Responda
-
active
-
desirable
-
auto
-
passive
Questão 19
Questão
What are two advantages of using LACP? (Choose two.)
Responda
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increases redundancy to Layer 3 devices
-
eliminates the need for the spanning-tree protocol
-
allows use of multivendor devices
-
provides a simulated environment for testing link aggregation
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allows automatic formation of EtherChannel links
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decreases the amount of configuration that is needed on a switch for EtherChannel
Questão 20
Questão
Which three Wi-Fi standards operate in the 2.4GHz range of frequencies? (Choose three.)
Responda
-
802.11b
-
802.11n
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802.11g
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802.11a
-
802.11ac
Questão 21
Questão
Which encryption protocol is used by the WPA2 shared key authentication technique? [blank_start]AES[blank_end]
Responda
-
AES
Questão 22
Questão
A network administrator discovers a rogue AP in the network. The rogue AP is capturing traffic and then forwarding it on to the legitimate AP. This type of attack is known as a [blank_start]man in the middle[blank_end] attack.
Responda
-
man in the middle
Questão 23
Questão
Ad hoc wireless topologies sometimes can use a feature called [blank_start]tethering[blank_end] to enable a smartphone to create a personal hotspot.
Responda
-
tethering
Questão 24
Questão
Which type of wireless topology is created when two or more Basic Service Sets are interconnected by Ethernet?
Responda
-
WiFi Direct
-
ad hoc WLAN
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ESS
-
IBISS
-
BSS
Questão 25
Questão
A supervisor needs wireless access in the construction office during the construction of a new building. The construction office is in the new building and directly across the road from headquarters. What could be used to satisfy this requirement of needing a narrow area of coverage?
Responda
-
multiple MIMO antennas
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Yagi
-
rubber duck
-
omnidirectional
Questão 26
Questão
Which IEEE wireless standard is known as WiGig and operates using a tri-band solution in the 2.4, 5, and 60 GHz ranges?
Responda
-
802.11ac
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802.11g
-
802.11n
-
802.11ad
Questão 27
Questão
A company has recently implemented an 802.11n wireless network. Some users are complaining that the wireless network is too slow. Which solution is the best method to enhance the performance of the wireless network?
Responda
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Split the traffic between the 2.4 GHz and 5 GHz frequency bands.
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Replace the wireless NICs on the computers that are experiencing slow connections.
-
Disable DHCP on the access point and assign static addresses to the wireless clients.
-
Upgrade the firmware on the wireless access point
Questão 28
Questão
Which parameter is commonly used to identify a wireless network name when a home wireless AP is being configured?
Responda
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SSID
-
ESS
-
BESS
-
ad hoc
Questão 29
Questão
What is an advantage of SSID cloaking?
Responda
-
It provides free Internet access in public locations where knowing the SSID is of no concern.
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It is the best way to secure a wireless network.
-
Clients will have to manually identify the SSID to connect to the network
-
SSIDs are very difficult to discover because APs do not broadcast them
Questão 30
Questão
Which two roles are typically performed by a wireless router that is used in a home or small business? (Choose two.)
Responda
-
repeater
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WLAN controller
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Ethernet switch
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access point
-
RADIUS authentication server
Questão 31
Questão
Which security mode is the least secure choice when a home wireless router is configured?
Responda
-
WPA2-Personal
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WPA
-
WPA2
-
WEP
Questão 32
Questão
A student uses a laptop to upload an assignment to a file server. Which wireless frame type did the laptop send to locate and associate with the campus access point?
Responda
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control frame
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data frame
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management frame
-
beacon frame
Questão 33
Questão
For which discovery mode will an AP generate the most traffic on a WLAN?
Responda
-
mixed mode
-
passive mode
-
open mode
-
active mode
Questão 34
Questão
Which statement defines the control frame operation between two stations?
Responda
-
A station responds to an RTS frame with an ACK frame, thus providing permission for the requesting station to send a data frame.
-
If the sending station does not receive an ACK frame within a predetermined period of time, the sending station will drop the connection
-
A station sends an RTS frame as the first step in a three-way handshake that is required before sending data frames.
-
After receiving a data frame, the receiving station will send an ACK frame to the sending station if no errors are found.
Questão 35
Questão
During which stage of establishing connectivity between a WLAN client and an AP does the client learn the MAC address of the AP?
Responda
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probing
-
discovery
-
authentication
-
encryption
-
association
Questão 36
Questão
What is the purpose of the Distributed Coordination Function in an IEEE 802.11 WLAN environment?
Responda
-
It is used to send data over a half-duplex connection
-
It is used in a full-duplex environment to detect collisions.
-
It allows a client to detect whether or not a channel is clear prior to transmission.
-
It allows the client to change transmission channels.
Questão 37
Questão
If three 802.11b access points need to be deployed in close proximity, which three frequency channels should be used? (Choose three.)
Responda
-
1
-
3
-
5
-
6
-
8
-
11
Questão 38
Questão
Which feature of 802.11n wireless access points allows them to transmit data at faster speeds than previous versions of 802.11 Wi-Fi standards did?
Responda
-
WPS
-
MITM
-
SPS
-
MIMO
Questão 39
Questão
An employee connects wirelessly to the company network using a cell phone. The employee then configures the cell phone to act as a wireless access point that will allow new employees to connect to the company network. Which type of security threat best describes this situation?
Responda
-
spoofing
-
denial of service
-
rogue access point
-
cracking
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