單項選擇題

On the Company wireless LAN, A client is searching for an access point (AP). 
What is the correct  process order that this Company client and access point goes through in order to create a  connection?()

A. association request/response, probe request/response, authentication request/response
B. association request/response, authentication request/response, probe request/response
C. probe request/response, authentication request/response, association request/response
D. probe request/response, association request/response, authentication request/response
E. None of the other alternatives apply


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1.單項選擇題

Refer to the exhibit. The signal transmitted from the AP is reflected off a wall resulting in multipath  interference at the client end. 
Which statement is true? ()

A. The transmitted signal from the AP arrives at the client at slightly different times resulting in  phase shifting.
B. If signal 2 is close to 360 degrees out of phase with signal 1, the result is essentially zerosignal  or a dead spot in the WLAN.
C. Multipath interference is less of an issue when using a DSSS technology because multipath is  frequency selective.
D. If signal 1 is in phase with signal 2, the result is essentially zerosignal or a dead spot in the  WLAN.
E. Multipath interference is solved by using dual antennas.

2.單項選擇題

You work as a network technician at Company. Please study the exhibit carefully. In this  
Company wireless network, the LAP (lightweight access point) attempts to register to a WLC  (Wireless LAN Controller). 
What kind of message is transmitted?()

A. The lightweight access point will send Layer 2 and Layer 3 Lightweight Access Point (LWAPP)  mode discovery request messages at the same time.
B. The lightweight access point will send Layer 3 Lightweight Access Point (LWAPP) mode  discovery request messages only.
C. The lightweight access point will send Layer 2 Lightweight Access Point (LWAPP) mode
D.iscovery request messages. If the attempt fails, the LAP will try Layer 3 LWAPP WLC discovery.  D. The lightweight access point will send Layer 2 Lightweight Access Point (LWAPP) mode  discovery request messages only.

3.單項選擇題

LDAP is being used throughout the Company wireless network. 
Which statement about the  Lightweight Access Point Protocol (LWAPP) protocol is true?()

A. The processing of 802.11 data and management protocols and access point capabilities is  distributed between a lightweight access point and a centralized WLAN controller.
B. LWAPP advertises its WDS capability and participates in electing the best WDS device for the  wireless LAN.
C. LWAPP aggregates radio management forward information and sends it to a wireless LAN  solution engine.
D. LWAPP authenticates all access points in the subnet and establishes a secure communication  channel with each of them.
E. None of the other alternatives apply

4.單項選擇題

Refer to the exhibit. Both host stations are part of the same subnet but are in different VLANs. On  the basis of the information presented in the exhibit, 
which statement is true about an attempt to  ping from host to host?  ()

A. The two different hosts will need to be in the same VLAN in order for the ping command to be  successful.
B. A Layer 3 device is needed for the ping command to be successful.
C. The ping command will be successful without any further configuration changes.
D. A trunk port will need to be configured on the link between Sw_A and Sw_B for the ping  command to be successful.

5.單項選擇題

Based on the network diagram and routing table output in the exhibit, 
which of these statements is  true? ()

A. InterVLAN routing will not occur since no routing protocol has been configured.
B. InterVLAN routing has been configured properly, and the workstations have connectivity to  each other.
C. Although interVLAN routing is not enabled, both workstations will have connectivity to each  other.
D. Although interVLAN routing is enabled, the workstations will not have connectivity to each  other.

6.單項選擇題

Refer to the exhibit. VLAN2, VLAN3, and VLAN10 are configured on the switch D-SW1. Host  computers are on VLAN 2 (10.1.2.0), servers are on VLAN 3 (10.1.3.0), and the management  VLAN is on VLAN10 (10.1.10.0). Hosts are able to ping each other but are unable to reach the  servers. On the basis of the exhibited output, 
which configuration solution could rectify the  problem?()

A. Assign an IP address of 10.1.3.1/24 to VLAN3.
B. Configure default gateways to IP address 10.1.10.1 on each host.
C. Enable IP routing on the switch D-SW1.
D. Configure a default route that points toward network 200.1.1.0/24.
E. Configure default gateways to IP address 10.1.2.1 on each host.
F. Configure default gateways to IP address 200.1.1.2 on each host.

7.單項選擇題

Refer to the exhibit. Host A and Host B are connected to the Catalyst 3550 switch and have been  assigned to their respective VLANs. The rest of the 3550 configuration is the default configuration.  Host A is able to ping its default gateway, 10.10.10.1, but is unable to ping Host B. Given the  output displayed in the exhibit, 
which statement is true? ()

A. A separate router is required to support interVLAN routing.
B. VTP must be configured to support interVLAN routing.
C. VLANs 10 and 15 must be created in the VLAN database mode.
D. The global config command ip routing must be configured on the SW1 switch.
E. HSRP must be configured on SW1.
F. Interface VLAN 10 must be configured on the SW1 switch.

8.單項選擇題

Refer to the exhibit. Dynamic ARP inspection (DAI) is enabled on switch SW_A only. Both Host_A  and Host_B acquire their IP addresses from the DHCP server connected to switch SW_A. 
What  would the outcome be if Host_B initiated an ARP spoof attack toward Host_A ? ()

A. The spoof packets will be inspected at the ingress port of switch SW_A and will be permitted.
B. The spoof packets will not be inspected at the ingress port of switch SW_A and will be  permitted.
C. The spoof packets will not be inspected at the ingress port of switch SW_A and will be dropped.
D. The spoof packets will be inspected at the ingress port of switch SW_A and will be dropped.

9.單項選擇題

Refer to the exhibit. 
What will happen to traffic within VLAN 14 with a source address of 172.16.10.5? ()

A. The traffic will be forwarded to the router processor for further processing.
B. The traffic will be dropped.
C. The traffic will be forwarded to the TCAM for further processing.
D. The traffic will be forwarded without further processing.

10.多項選擇題

A hacker on the Company network is attempting to hop onto a different VLAN. 
Which two  statements about VLAN hopping are true? ()

A. An end station attempts to gain access to all VLANs by transmitting Ethernet frames in the  802.1q encapsulation.
B. Configuring an interface with the "switchport mode dynamic" command will prevent VLAN  hopping.
C. Attacks are prevented by utilizing the port-security feature.
D. Configuring an interface with the "switchport mode access" command will prevent VLAN  hopping.
E. An end station attempts to redirect VLAN traffic by broadcasting multiple ARP requests.

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