Download Networking Fundamentals.98-366.SelfTestEngine.2019-07-15.68q.vcex

Vendor: Microsoft
Exam Code: 98-366
Exam Name: Networking Fundamentals
Date: Jul 15, 2019
File Size: 85 KB
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Question 1
Which of the following represents a Media Access Control (MAC) address?
  1. GV:ZC:KK:DK:FZ:CA
  2. 255.255.255.0
  3. 05:35:AB:6E:Al:25
  4. 127.0.0.1
Correct answer: C
Explanation:
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 ).
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 ).
Question 2
A network device that associates a Media Access Control (MAC) address with a port is a:
  1. DSL modem
  2. Hub
  3. Router
  4. Switch
Correct answer: D
Explanation:
A switch begins learning the local MAC addresses as soon as it is connected to other devices or to a network. This learning capability makes switches easy to use on a network. The switch learning process works like this:1.As a PC or other networked device sends a frame to another device through the switch, the switch captures the source MAC address of the frame and the interface that received it. 2.The switch confirms or adds the MAC address and the port to the lookup table.
A switch begins learning the local MAC addresses as soon as it is connected to other devices or to a network. This learning capability makes switches easy to use on a network. 
The switch learning process works like this:
1.As a PC or other networked device sends a frame to another device through the switch, the switch captures the source MAC address of the frame and the interface that received it. 
2.The switch confirms or adds the MAC address and the port to the lookup table.
Question 3
A Layer 2 device that connects multiple computers within a network is a:
  1. Repeater
  2. Switch
  3. Router
  4. Packet
Correct answer: B
Explanation:
Layer 2 switching uses the media access control address (MAC address) from the host's network interface cards (NICs) to decide where to forward frames.
Layer 2 switching uses the media access control address (MAC address) from the host's network interface cards (NICs) to decide where to forward frames.
Question 4
A cable that meets the l000BaseT standard has a maximum length of:
  1. 100 m
  2. 250 m
  3. 500 m
  4. 1,000 m
Correct answer: A
Explanation:
When used for 10/100/1000BASE-T, the maximum allowed length of a Cat 6 cable is 100 meters or 328 feet.
When used for 10/100/1000BASE-T, the maximum allowed length of a Cat 6 cable is 100 meters or 328 feet.
Question 5
Which setting is used to determine the Domain Name System (DNS) settings on a client computer?
  1. TELNET
  2. NSLOOKUP
  3. PATHPING
  4. NETSTAT
Correct answer: B
Explanation:
nslookup is a network administration command-line tool available for many computer operating systems for querying the Domain Name System (DNS) to obtain domain name or IP address mapping or for any other specific DNS record.
nslookup is a network administration command-line tool available for many computer operating systems for querying the Domain Name System (DNS) to obtain domain name or IP address mapping or for any other specific DNS record.
Question 6
The default subnet mask for a Class B network is:
  1. 0.0.0.255
  2. 0.0.255.255
  3. 255.0.0.0
  4. 255.255.0.0
Correct answer: D
Explanation:
Class A default subnet mask is 255.0.0.0. Class B default subnet mask is 255.255.0.0. Class C default subnet mask is 255.255.255.0.
Class A default subnet mask is 255.0.0.0. 
Class B default subnet mask is 255.255.0.0. 
Class C default subnet mask is 255.255.255.0.
Question 7
The default port used for SMTP is:
  1. 23
  2. 25
  3. 80
  4. 8080
Correct answer: B
Explanation:
SMTP by default uses TCP port 25.
SMTP by default uses TCP port 25.
Question 8
Which subnet mask is valid?
  1. 255.255.255.240
  2. 255.255.255.228
  3. 255.255.255.164
  4. 255.255.255.245
Correct answer: A
Explanation:
These are valid:   
These are valid:
  
Question 9
What type of DNS record maps host names to addresses?
  1. Mail Exchanger (MX) DNS record
  2. Service (SRV) DNS record
  3. Host (A) DNS record
  4. Canonical (CNAME) DNS record
Correct answer: C
Explanation:
An A or Address record (also known as a host record) links a domain to the physical IP address of a computer hosting that domain's services.
An A or Address record (also known as a host record) links a domain to the physical IP address of a computer hosting that domain's services.
Question 10
You ping a server by using fully qualified domain name (FQDN) and do not receive a response. You then ping the same server by using its IP address and receive a response. 
Why do you receive a response on the second attempt but not on the first attempt?
  1. PING is improperly configured.
  2. The DNS is not resolving.
  3. The DHCP server is offline.
  4. NSLOOKUP is stopped.
Correct answer: B
Explanation:
DNS is not working.
DNS is not working.
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