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Examcompass Practice Test > Practice Test 10 > Flashcards

Practice Test 10 Flashcards

1
Q

Which of the DNS database records listed below allows multiple domain names to resolve to the same IP address?

  • MX
  • CNAME
  • AAAA
  • PTR
A

CNAME

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2
Q

DNS record that specifies a list of additional name servers on a domain is called:

  • SPF
  • NS
  • PTR
  • SRV
A

NS

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3
Q

Which of the following statements describing the function of a DNS PTR record are true? (Select 2 answers)

  • PTR record creates a pointer that maps a hostname to an IP address for reverse lookups.
  • The functionality provided by a PTR record allows multiple domain names to resolve to the same IP address.
  • PTR record resolves an IP address to a hostname for reverse lookups
  • The functionality provided by a PTR record is the opposite of A and AAAA DNS records.
  • PTR record maps a domain name to a list of mail servers for that domain.
A
  • PTR record resolves an IP address to a hostname for reverse lookups.
  • The functionality provided by a PTR record is the opposite of A and AAAA DNS records
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4
Q

The answers below have been arranged to represent the DNS hierarchy, from the highest level of the DNS tree (1), to the lowest level (5). Which of these answers are out of order? (Select all that apply)

    1. Root domain (“.”, e.g. the optional trailing dot in “example.com.”)
    1. Top level domain (e.g. “.com”, “.org”, or “.edu”)
    1. Subdomain (e.g. “department” in “department.example.com”)
    1. Second level domain (e.g. “example.com”)
    1. Host or resource name (e.g. “a” in “a.department.example.com”)
A
    1. Subdomain (e.g. “department” in “department.example.com”)
    1. Second level domain (e.g. “example.com”)
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5
Q

A forward DNS lookup zone returns a domain name for a given IP address.

  • True
  • False
A

False

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6
Q

A reverse DNS lookup zone is used for finding an IP address associated with a given domain name.

  • True
  • False
A

False

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7
Q

A DHCP server’s IP exclusion configuration option allows network administrators to remove a single IP address or a range of IP addresses from the pool of addresses being assigned automatically to the requesting DHCP client computers. IP exclusion prevents other DHCP clients from requesting an IP address statically assigned to other essential network hosts (e.g. servers, or a wireless printers) via DHCP reservation.

  • True
  • False
A

True

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8
Q

A range of IP addresses that a DHCP server can lease out to DHCP clients is known as:

  • Lease
  • Reservation
  • Pool
  • Scope
A

Scope

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9
Q

The duration of time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred to as:

  • Option
  • Reservation
  • Scope
  • Lease
A

Lease

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10
Q

An IPv4 packet header field that specifies how many more hops a packet can travel before being discarded is called:

  • SPB
  • TTL
  • MTU
  • DSCP
A

TTL

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11
Q

Networked clients not residing on the same subnet as the DHCP server can still obtain an IP address from the server through a DHCP relay agent (a.k.a. IP helper).

  • True
  • False
A

True

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12
Q

Which of the following answers refers to a method for managing a network’s IP address space?

  • WMS
  • SIEM
  • UTM
  • IPAM
A

IPAM

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13
Q

Which of the answers listed below refer(s) to UTP cabling? (Select all that apply)

  • Twisted-pair copper cabling
  • Used in Ethernet networks and telephone systems
  • Low cost and ease of installation
  • Takes advantage of additional protective cover reducing signal interference from outside sources
  • Coaxial cabling
  • Not surrounded by any shielding that would provide protection against interference from outside sources
  • Fiber-optic cabling
  • In Ethernet networks, installed with RJ-45 connector type
A
  • Twisted-pair copper cabling
  • Used in Ethernet networks and telephone systems
  • Low cost and ease of installation
  • Not surrounded by any shielding that would provide protection against interference from outside sources
  • In Ethernet networks, installed with RJ-45 connector type
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14
Q

The main difference between the UTP and STP cabling is that STP cable takes advantage of additional protective cover reducing signal interference from outside sources.

  • True
  • False
A

True

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15
Q

Examples of copper cabling types used in Ethernet networks include: (Select all that apply)

  • STP
  • Multimode
  • UTP
  • Single mode
  • Coax
A
  • STP
  • UTP
  • Coax
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16
Q

Which of the answers listed below refer to the characteristics of multimode fiber optics? (Select 3 answers)

  • Uses laser as the source of light
  • Transmission distances of up to 2 km
  • More expensive than single-mode fiber optics
  • Transmission distances of up to 100 km
  • Less expensive than single-mode fiber optics
  • Uses LED as the source of light
A
  • Transmission distances of up to 2 km
  • Less expensive than single-mode fiber optics
  • Uses LED as the source of light
17
Q

What are the characteristic traits of single-mode fiber optics? (Select 3 answers)

  • Transmission distances of up to 2 km
  • More expensive than multimode fiber optics
  • Uses LED as the source of light
  • Transmission distances of up to 100 km
  • Uses laser as the source of light
  • Less expensive than multimode fiber optics
A
  • More expensive than multimode fiber optics
  • Transmission distances of up to 100 km
  • Uses laser as the source of light
18
Q

A type of enclosed space in a building (such as the one between a dropped ceiling and the structural ceiling) used for air handling is commonly referred to as:

  • Plenum
  • Main Distribution Frame (MDF)
  • HVAC system
  • Intermediate Distribution Frame (IDF)
A

Plenum

19
Q

A special type of cabling with fire-retardant jacket placed inside the space between structural floor and dropped ceiling or inside walls is known as a plenum-rated cabling.

  • True
  • False
A

True

20
Q

Plenum-rated cabling features a fire-retardant jacket made of polyvinyl chloride (PVC).

  • True
  • False
A

False

21
Q

Which of the following answers refers to a connector type not used with copper cabling?

  • RJ-11/RJ-45
  • BNC
  • MT-RJ
  • DB-9/DB-25
  • F-type
A

MT-RJ

22
Q

What are the characteristic features of the RJ-45 connector? (Select 2 answers)

  • Used with telephone cabling
  • Coaxial cabling connector
  • Used with Ethernet network cabling
  • Copper cabling connector
  • Fiber-optic cabling connector
A
  • Used with Ethernet network cabling

- Copper cabling connector

23
Q

Which of the answers listed below refer to the RJ-11 connector? (Select 2 answers)

  • Used with telephone cabling
  • Copper cabling connector
  • Used with Ethernet network cabling
  • Fiber-optic cabling connector
  • Coaxial cabling connector
A
  • Used with telephone cabling

- Copper cabling connector

24
Q

Bayonet Neill–Concelman (BNC) connector is used with:

  • Twisted-pair copper cabling
  • Single-mode fiber-optic cabling
  • Coaxial copper cabling
  • Multimode fiber-optic cabling
A

Coaxial copper cabling

25
Q

Which of the following connector types are used for RS-232 serial communications? (Select 2 answers)

  • DE-9
  • RG-59
  • RJ-45
  • DB-25
  • RG-6
  • RJ-11
A

DE-9

DB-25

Examcompass Practice Test (16 decks)

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