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NEW QUESTION 17
Which technology provides the highest bit rate?
- A. DS3
- B. T1
- C. El
- D. ISDN
Answer: A
Explanation:
Explanation/Reference:
A DS3 line (sometimes also referred to as T3) is a dedicated, high bandwidth, fiber circuit with a speed of
45 Mbps.
Incorrect:
Not A: T1, 1.544Mbps
Not B: E1, 2.048Mbps
Not D: SDN 30B+1D (all 64K) ~ E1: 1.930Mbps
NEW QUESTION 18
At what layer in the OSI model are hardware addresses referenced?
- A. Application
- B. Physical
- C. Network
- D. Data link
Answer: D
Explanation:
Explanation
NEW QUESTION 19
Which of the following represents a Media Access Control (MAC) address?
- A. GV:ZC:KK:DK:FZ:CA
- B. 127.0.0.1
- C. 05:35:AB:6E:Al:25
- D. 255.255.255.0
Answer: C
Explanation:
Explanation/Reference:
The standard (IEEE 802) format for printing MAC-48 addresses in human-friendly form is six groups of two hexadecimal digits, separated by hyphens (-) or colons (:), in transmission order (e.g. 01-23-45-67-89-ab or
01:23:45:67:89:ab ).
NEW QUESTION 20
You need to run four Ethernet network drops. Each drop is approximately 125 feet/46.33
meters.
An interference exists along the path of each drop.
You need to ensure that interference is reduced.
Which cable type should you use?
- A. UTPCat5e
- B. UTPCat6
- C. STP Cat5e
- D. Cat3
Answer: C
NEW QUESTION 21
Which of the following uses pointer records and A records?
- A. DNS Server
- B. IDS
- C. NAT Server
- D. IPS
Answer: A
Explanation:
Explanation/Reference:
DNS records include:
* A
Address record
* PTR
Pointer record
NEW QUESTION 22
A VPN is a/an:
- A. Encrypted connection across the Internet.
- B. Personal network for your use only.
- C. Virtual network within your local area network (LAN).
- D. Communication tunnel between VLANs.
Answer: A
Explanation:
Explanation/Reference:
VPN is a network that is constructed by using public wires - usually the Internet - to connect to a private network, such as a company's internal network.
There are a number of systems that enable you to create networks using the Internet as the medium for transporting data. These systems use encryption and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.
NEW QUESTION 23
Which wireless communication problem is caused by electromagnetic waves?
- A. Interference
- B. Attenuation
- C. Fading
- D. Diffraction
Answer: A
NEW QUESTION 24
Which of the following uses a tunneling protocol?
- A. VLAN
- B. Extranet
- C. Internet
- D. VPN
Answer: D
NEW QUESTION 25
You are setting up a network computer game.
You need to open up ports on your firewall so your friends can join the network.
Which command displays the ports that your computer is listening for?
- A. ping
- B. nbtstat
- C. nslookup
- D. netstat
Answer: C
NEW QUESTION 26
The default gateway address identifies the:
- A. Server that will provide name services for the computer.
- B. Server that will authenticate the user of the computer.
- C. Device that will connect the computer to a remote network.
- D. Device that will connect the computer to the local network.
Answer: C
Explanation:
Explanation/Reference:
A default gateway is the node on the computer network that the network software uses when an IP address does not match any other routes in the routing table.
In home computing configurations, an ISP often provides a physical device which both connects local hardware to the Internet and serves as a gateway.
NEW QUESTION 27
A computer that has an IP address of 169.254.0.1 cannot access the network.
Which of the following services should you confirm is available?
- A. DNS
- B. TFTP
- C. DHCP
- D. WINS
Answer: C
Explanation:
Explanation/Reference:
169.254.0.1 is an APIPA address. An APIPA address is used when the DHCP server is not available.
NEW QUESTION 28
DRAG DROP
Match the networking topologies to their corresponding characteristics.
To answer, drag the appropriate topology from the column on the left to its characteristic on the right. Each topology may be used once, more than once, or not at all. Each correct match is worth one point.
Answer:
Explanation:
NEW QUESTION 29
This question requires that you evaluate the underlined text to determine if it is correct.
A network that separates an organization's private network from a public network is an extranet.
Review the underlined text. If it makes the statement correct, select "No change is needed." If the statement is incorrect, select the answer choice that makes the statement correct.
- A. a perimeter
- B. No change is needed
- C. the Internet
- D. an intranet
Answer: A
NEW QUESTION 30
The query protocol used to locate resources on a network is:
- A. Tracert
- B. user Datagram Protocol (UDP).
- C. Telnet.
- D. Lightweight Directory Access Protocol (LDAP),
Answer: D
NEW QUESTION 31
DRAG DROP
Match each network type to its corresponding definition.
To answer, drag the appropriate network type from the column on the left to its definition on the right. Each network type may be used once, more than once, or not at all. Each correct match is worth one point.
Answer:
Explanation:
NEW QUESTION 32
At what layer in the OSI model are hardware addresses referenced?
- A. Application
- B. Physical
- C. Network
- D. Data link
Answer: D
NEW QUESTION 33
You are home for vacation, and a family member wants your help to purchase and install network cable for a home office.
The cable needs to support at least 300 Mbps.
What is the least expensive option that meets this requirement?
- A. Cat6
- B. Cat3
- C. CAT5
- D. Cat5e
Answer: D
NEW QUESTION 34
Which type of port is used to support VLAN traffic between two switches?
- A. WAN port
- B. LAN port
- C. Virtual port
- D. Trunk port
Answer: D
Explanation:
Explanation/Reference:
Trunk links are required to pass VLAN information between switches.
NEW QUESTION 35
Which protocol is a transport layer protocol?
- A. IP
- B. FTP
- C. UDP
- D. ASCII
Answer: C
Explanation:
Explanation/Reference:
Transport layer protocols include: UDP, TCP
NEW QUESTION 36
Tracert is used to:
- A. Manage routing tables dynamically.
- B. Report the route taken by packets across an IP network.
- C. Report the shortest route between different networks.
- D. Manage session-oriented connections between nodes.
Answer: B
Explanation:
Explanation/Reference:
In computing, traceroute (treacert) is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network.
NEW QUESTION 37
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