640-802 CCNA Study Guide - Elktech.org

C. The MAC address of the root bridge is 0017.596d.1580.
D. SwitchA is not the root bridge, because not all of the interface roles are designated.
Answer: D
Explanation:
Cisco 640-802 Exam
QUESTION NO: 36
Which two of these statements are true of IPv6 address representation? (Choose two.)
A. There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
B. A single interface may be assigned multiple IPv6 addresses of any type.
C. Every IPv6 interface contains at least one loopback address.
D. The first 64 bits represent the dynamically created interface ID.
E. Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.
Answer: B,C
Explanation:
QUESTION NO: 37
What are three basic parameters to configure on a wireless access point? (Choose three.)
A. SSID
B. RTS/CTS
C. AES-CCMP
D. TKIP/MIC
E. RF channel
F. authentication method
Answer: A,E,F
Explanation:
SSID (Service Set Identifier) can also be written as ESSID, which is used to distinguish different
networks. It has 32 characters at most, WLAN cards set up different SSID to enter different
networks. SSID is usually broadcast by AP or wireless routers , you can view SSID of the present
area through XP built-in scanning feature .Taking security into consideration, SSID can be not
broadcast, meanwhile users need to set up SSID manually to enter the appropriate network.
Simply speaking, SSID is the name of a local area network, only those computers that set up the
same SSID value can communicate with each other.
RF is an acronym for Radio Frequency. It is the electromagnetic frequency that can be radiated to
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