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Which of the fallowings is not an IPv6 address type?

A.

Multicast address

B.

Unicast address

C.

Broadcast address

D.

Anycast address

After rogue device detection is enabled, an AP monitors all 802.11 packets from among the data packets and checks the DS fields in the packets to determine whether the device is an ad-hoc device, wireless bridge, STA, or AP. In an 802.11 MAC frame, the To DS field is set to 0 and the From DS field is set to 1 in the Frame Control field. Which of the following is the corresponding device type?

A.

Wireless bridge

B.

AP

C.

STA

D.

Ad-hoc device

A company needs to provide Wi-Fi coverage spanning a radius of about 100 m in a flat outdoor area. In the center of the area, APsand 2.4 GHz omnidi recto id i antennas (11 dBi gam and 15° vertical beam width) are installed on the top of a six-story building. A laptop 70 m away from this building cannot receive Wi-Fi signals. Which of the following statements is true about the cause analysis and solution for this symptom?

A.

The performance of the laptop ' s network adapter is poor. The solution is to replace the laptop.

B.

The antennas arc installed too high. The solution is to move the antennas to a lower position.

C.

The antenna gain is too low to cover such a distance. The solution is to replace the antennas with higher-gain ones.

D.

The antenna angle is small. The solution is to adjust the angle of the antennas.

When an 802.IX client uses MDS encryption, the user authentication mode can be set to EAP or CHAP on the device. When an 802. IX client uses PEAP authenticatwn, the user authentication mode can be set

to______on the device. (Enter the acronym in uppercase letters.)

What are the disadvantages of using a standalone WAC, instead of the native WAC, to deploy a wireless network?

A.

More possible failure nodes

B.

Dispersed wired and wireless policy control points

C.

Separated wired and wireless management

D.

Separated authentication for wired and wireless access

Which of the following layers is not included in the overall networking logic of energy efficiency management in the loT solution?

A.

Terminal layer

B.

Egress layer

C.

Network layer

D.

Access layer

E.

Application layer

Which of the following statements about fingerprint-based positioning technology are true? (Select All that Apply)

A.

The positioning engine generates a virtual fingerprint library through calculations based on the AP deployment and environment information.

B.

Terminals learn from each other to form a fingerprint library that can be shared.

C.

APs collect surrounding environment information to form a fingerprint library.

D.

The fingerprint map is obtained through onsite information collection.

Multicast addresses are Class D addresses, and can be used only as destination addresses but not source addresses of data packets.

A.

TRUE

B.

FALSE

In an HSB scenario, WIDS entries on the active WAC cannot be backed up to the standby WAC. After an active/standby switchover, WIDS entries are lost.

A.

TRUE

B.

FALSE

During Portal authentication of a terminal, an authorization failure message is displayed when the user opens the push page using a browser. Which of the following could cause this problem?

A.

The authentication device does not support the authorization attribute delivered by the authentication server.

B.

The terminal attempts to access an HTTPS website before passing the authentication.

C.

No Portal server template is bound to the VLANIF interface of the access control device.

D.

No DNS server is configured in the pre-authentication domain.