Are U Ready?

1. What option would you specify after the ipconfig command to display a Windows PC’s DNS server’s IP address?
   No option is needed, because the ipconfig displays DNS server information by default.
   b. /full
   c. /fqdn
   d. /all
   

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2. Which of the following Windows commands enables you to display NetBIOS
   over TCP/IP information?
   route
   b. nbtstat
   c. dig
   d. netstat
   

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3. What is a best practice to prevent you from damaging a circuit board with
   static from your body?
   Wear an ESD wrist strap.
   b. Apply antistatic spray to the circuit board.
   c. Ground the circuit board.
   d. Stand on a carpeted floor (or a rug) when working on a circuit board to
   provide insulation between your body and an electric ground potential
   

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4. Identify the broad categories of SNMP message types. (Choose three.)
   Get
   b. Put
   c. Set
   d. Trap
   

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5. What Ethernet switch feature allows a port to automatically determine which
   of its leads are used for transmitting data and which of its leads are used for
   receiving data?
   MDIX
   b. STP
   c. LAPD
   d. UTP
   

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6. In the absence of STP, what issues might result from a Layer 2 loop in a network? (Choose two.)
   A router interface’s MTU decrementing
   b. MAC address table corruption
   c. Broadcast storms
   d. Packet fragmentation
   

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7. Which of the following is a value measuring the power of a wireless signal?
   RSSI
   b. SSID
   c. RFI
   d. CSMA/CA
   

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8. Which of the following protocols are most commonly used to provide security
   for an HTTPS connection? (Choose two.)
   L2TP
   b. SSL
   c. PPTP
   d. TLS
   

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9. Which of the following are characteristics of RADIUS? (Choose two.)
   TCP based
   b. UDP based
   c. Encrypts an entire authentication packet
   d. Only encrypts the password in an authentication packet
   

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10. What mode of NIC redundancy uses has only one NIC active at a time?
    Publisher-subscriber
    b. Client-server
    c. Active-standby
    d. Active-subscriber
    

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11. What type of antenna, commonly used in wireless APs and wireless routers in
    SOHO locations, radiates relatively equal power in all directions?
    Unidirectional
    b. Yagi
    c. Parabolic
    d. Omnidirectional
    

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12. When using the 2.4-GHz band for multiple access points in a WLAN located in the United States, which nonoverlapping channels should you select?
    (Choose three.)
    b. 1
    c. 5
    d. 6
    e. 10
    f. 11
    g. 14
    

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13. A WLAN formed directly between wireless clients (without the use of a wireless AP) is referred to as what type of WLAN?
    Enterprise mode
    b. IBSS
    c. Personal mode
    d. BSS
    

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14. How many channels on an E1 circuit are available for voice, video, or data?
    23
    b. 24
    c. 30
    d. 32
    

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15. Which PPP authentication method provides one-way authentication and sends
    credentials in clear text?
    WEP
    b. MS-CHAP
    c. PAP
    d. CHAP
    

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16. What is the network address and subnet mask of a default route?
    255.255.255.255/32
    b. 0.0.0.0/32
    c. 255.255.255.255/0
    d. 0.0.0.0/0
    

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17. How can the following IPv6 address be condensed?
    2009:0123:4040:0000:0000:000:000A:100B
    2009::123:404:A:100B
    b. 2009::123:404:A:1B
    c. 2009:123:4040::A:100B
    d. 2009:0123:4040::0::000A:100B
    

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18. Which of the following statements are true regarding VLANs? (Choose two.)
    A VLAN has a single broadcast domain.
    b. For traffic to pass between two VLANs, that traffic must be routed.
    c. Because of a switch’s MAC address table, traffic does not need to be
    routed to pass between two VLANs.
    d. A VLAN has a single collision domain.
    

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19. Which of the following categories of UTP cabling are commonly used for
    1000BASE-T networks? (Choose two.)
    Cat 5
    b. Cat 5e
    c. Cat 6
    d. Cat 6f
    

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20. Which of the following is a connectionless transport layer protocol?
    IP
    b. TCP
    c. UDP
    d. H.323