CCNA Practice Quiz Questions!

25 Questions | By Ict_cc_mp | Last updated: Aug 27, 2020 | Total Attempts: 120

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Questions and Answers

1.

Which OSI layer defines the functions of logical network-wide address and routing?
- A.
  
  Data Link Layer
- B.
  
  Network Layer
- C.
  
  Physical Layer
- D.
  
  Transport Layer
2.

Which of the following media is Category 5 UTP- two pair?
- A.
  
  100Base-FX
- B.
  
  100Base-TX
- C.
  
  1000Base-CX
- D.
  
  1000Base-SX
3.

Which of the following TCP/IP layers defines both the physical network specifications and the protocols used to control the physical network?
- A.
  
  Internet Layer
- B.
  
  Transport Layer
- C.
  
  Application Layer
- D.
  
  Network Access Layer
4.

Which EIA/TIA standard is used for making an Ethernet crossover cable?
- A.
  
  T568A - T568A
- B.
  
  T568B - T568B
- C.
  
  T568A - T568B
- D.
  
  None of the above
5.

Crossover UTP cables are used for connecting__________
- A.
  
  PC to hub
- B.
  
  PC to router
- C.
  
  PC to bridge
- D.
  
  PC to switch
6.

Which of the following is true about the Ethernet Frame Check Sequence field?
- A.
  
  It is 2 bytes long
- B.
  
  It is used for encryption
- C.
  
  It is used for data padding
- D.
  
  It resides in the Ethernet frame trailer
7.

The CSU/DSU is a________ device
- A.
  
  DCE
- B.
  
  DTE
- C.
  
  Routing
- D.
  
  Switching
8.

Which of the following is true about the cabling of a 10Base2 Ethernet LAN?
- A.
  
  Connect each device in series using the UTP cabling
- B.
  
  Connect each device in series using coaxial cabling
- C.
  
  Connect each device to a centralized LAN hub using UTP cabling
- D.
  
  Connect each device to a centralized LAN switch using UTP cabling
9.
- A.
  
  2 collision domains and 4 broadcast domains
- B.
  
  2 collision domains and 6 broadcast domains
- C.
  
  4 collision domains and 2 broadcast domains
- D.
  
  6 collision domains and 2 broadcast domains
10.

Which of the following network devices will reduce the bandwidth and performance of the network?
- A.
  
  Hub
- B.
  
  Bridge
- C.
  
  Switch
- D.
  
  Router
11.

Which of the following is TRUE for peer-to-peer networks?
- A.
  
  Clients reduce network traffic
- B.
  
  Data storage is decentralized
- C.
  
  Multiple points of failure in the system
- D.
  
  Security and file verification is improved
12.

Which of the following is an advantage of Client/Server network model?
- A.
  
  Better security
- B.
  
  Low cost and maintenance
- C.
  
  Does not need network adminstation
- D.
  
  Does not have single point of failure
13.

Which of the following is a typical function of TCP?
- A.
  
  Routing
- B.
  
  Widowing
- C.
  
  Encryption
- D.
  
  Transfer of bits on network media
14.

Which of the following is an example of a routed protocol?
- A.
  
  IPX
- B.
  
  STP
- C.
  
  TFTP
- D.
  
  OSPF
15.

Which of the following is NOT a private IP network address?
- A.
  
  10.0.0.0
- B.
  
  172.31.0.0
- C.
  
  200.100.50.0
- D.
  
  192.168.255.0
16.

Which of the following protocol and transfer method uses reliable data exchange?
- A.
  
  TCP, Connectionless
- B.
  
  UDP, Connectionless
- C.
  
  TCP, Connection-oriented
- D.
  
  UDP, Connection-oriented
17.

If mask 255.255.255.240 were used with a Class C network, how many subnets could exist, with how many usable hosts per subnet, respectively?
- A.
  
  14 and 14
- B.
  
  14 and 16
- C.
  
  16 and 14
- D.
  
  16 and 16
18.

To assign dynamic IP addresses to the hosts on the network, you will need a_________ server
- A.
  
  DNS
- B.
  
  FTP
- C.
  
  DHCP
- D.
  
  SMTP
19.

Which of the following statements is TRUE about WLAN?
- A.
  
  In frastructure mode, the wireless client communicates with a wireless access point
- B.
  
  In frastructure mode, the wireless client communicates with other wireless client directly
- C.
  
  In ad-hoc mode, the wireless client communicates with a wireless access point
- D.
  
  None of the above
20.

What is the correct equipment required to setup WLAN access for host computers?
- A.
  
  Hub
- B.
  
  Switch
- C.
  
  Router
- D.
  
  Access point
21.

The easiest method to transfer files between 2 computers wirelessly is by using________ mode
- A.
  
  WAN
- B.
  
  Ad-hoc
- C.
  
  Infrastructure
- D.
  
  Metropolian Area network
22.

Bluetooth technology is used in_______
- A.
  
  GPS
- B.
  
  WPANs
- C.
  
  WMANs
- D.
  
  WWANs
23.

Why are 802.11a devices not compatible with other 802.11 devices?
- A.
  
  802.11a devices use OFDM
- B.
  
  802.11a devices use 5 GHz frequency band
- C.
  
  802.11a devices use 2.4GHz frequency band
- D.
  
  802.11a devices support data transmission up to 54Mbps
24.

Which of the following step is optional during the setting up of a wireless access point for internet connection
- A.
  
  Configure the SSID
- B.
  
  Powering up the AP
- C.
  
  Enable MAC filtering
- D.
  
  Connect AP to wired network
25.

Which of the following WLAN security solution is used in conjunction with Extensible Authentication Protocol?
- A.
  
  WEP
- B.
  
  VPN
- C.
  
  TKIP
- D.
  
  802.1x

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