CCNA Practice Certification Exam #1
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- 1.What are three examples of TCP/IP application layer protocols? (Choose three.)
- A.
A terminal emulation protocol that supports remote console connections with various network devices
- B.
A protocol created by IBM that makes it easier for mainframes to connect to remote offices
- C.
A protocol responsible for transporting electronic mail on TCP/IP networks and the Internet
- D.
A protocol that controls the rate at which data is sent to another computer
- E.
A protocol that exchanges network management information between a network device and a management console
- 2.
![Refer to the exhibit. The exhibit shows simplified protocol data units
from different OSI model layers. Which three statements are true about
the PDUs and the encapsulation process? (Choose three.) - ProProfs]( "Refer to the exhibit. The exhibit shows simplified protocol data units
from different OSI model layers. Which three statements are true about
the PDUs and the encapsulation process? (Choose three.)")
- A.
PDU #1 is a frame.
- B.
PDU #2 is an application layer PDU
- C.
PDU #3 is a segment.
- D.
PDU #4 is a transport layer PDU.
- E.
The order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2.
- 3.What are two characteristics of TCP? (Choose two.)
- A.
Data transport reliability
- B.
Best path determination
- C.
Establishing, maintaining, and terminating virtual circuits
- D.
Encapsulation of packets in a data frame with source and destination MAC addresses
- E.
Best-effort datagram delivery
- 4.
![Refer to the exhibit. What type of Layer 2 encapsulation will be used
for connection D on the basis of this configuration on a newly installed
router:
RtrA(config)# interface serial0/0/0
RtrA(config-if)# ip address 128.107.0.2 255.255.255.252
RtrA(config-if)# no shutdown
- ProProfs]( "Refer to the exhibit. What type of Layer 2 encapsulation will be used
for connection D on the basis of this configuration on a newly installed
router:
RtrA(config)# interface serial0/0/0
RtrA(config-if)# ip address 128.107.0.2 255.255.255.252
RtrA(config-if)# no shutdown")
Refer to the exhibit. What type of Layer 2 encapsulation will be used for connection D on the basis of this configuration on a newly installed router: RtrA(config)# interface serial0/0/0 RtrA(config-if)# ip address 128.107.0.2 255.255.255.252 RtrA(config-if)# no shutdown- A.
Ethernet
- B.
Frame Relay
- C.
HDLC
- D.
PPP
- 5.Which three factors contribute to congestion on an Ethernet LAN? (Choose three.)
- A.
Improper placement of enterprise level servers
- B.
Addition of hosts to a physical segment
- C.
Replacement of hubs with workgroup switches
- D.
Increasing use of bandwidth intensive network applications
- E.
Migration to full-duplex Ethernet within the LAN
- 6.A Catalyst switch must be in which VTP mode in order to delete or add VLANs to a management domain?
- A.
Client
- B.
Server
- C.
Domain
- D.
Transparent
- E.
Designated
- 7.What creates a loop-free path through a switch network?
- A.
Hold-down timers
- B.
Poison reverse
- C.
Spanning Tree Protocol
- D.
Time to Live
- E.
Routing Information Protocol
- 8.
![Refer to the exhibit. All ports on switch fl-1 are in the Production
VLAN and all ports on switch fl-2 are in the Development VLAN. How many
broadcast domains and how many collision domains are in the network?
(Choose two.) - ProProfs]( "Refer to the exhibit. All ports on switch fl-1 are in the Production
VLAN and all ports on switch fl-2 are in the Development VLAN. How many
broadcast domains and how many collision domains are in the network?
(Choose two.)")
Refer to the exhibit. All ports on switch fl-1 are in the Production VLAN and all ports on switch fl-2 are in the Development VLAN. How many broadcast domains and how many collision domains are in the network? (Choose two.)- A.
One broadcast domain
- B.
Three broadcast domains
- C.
Three collision domains
- D.
Five broadcast domains
- E.
Nine collision domains
- 9.
![Refer to the exhibit. VLAN10 and VLAN20 have been created on SW_1 and
SW_2 and switch ports have been assigned to the appropriate VLAN.
Workstations in VLAN 10 can ping workstations in VLAN 10 that connect to
either switch, but workstations in VLAN 20 cannot ping workstations in
VLAN 20 on the opposite switch. Based on the output, what is most likely
the problem? - ProProfs]( "Refer to the exhibit. VLAN10 and VLAN20 have been created on SW_1 and
SW_2 and switch ports have been assigned to the appropriate VLAN.
Workstations in VLAN 10 can ping workstations in VLAN 10 that connect to
either switch, but workstations in VLAN 20 cannot ping workstations in
VLAN 20 on the opposite switch. Based on the output, what is most likely
the problem?")
Refer to the exhibit. VLAN10 and VLAN20 have been created on SW_1 and SW_2 and switch ports have been assigned to the appropriate VLAN. Workstations in VLAN 10 can ping workstations in VLAN 10 that connect to either switch, but workstations in VLAN 20 cannot ping workstations in VLAN 20 on the opposite switch. Based on the output, what is most likely the problem?- A.
FA 0/1 on SW_1 needs to be assigned to VLAN 20.
- B.
FA 0/1 on SW_2 needs to be assigned to VLAN 20.
- C.
VTP is not working properly between SW_1 and SW_2.
- D.
Interfaces FA0/1 on SW_1 and SW_2 need to be configured as trunk ports.
- E.
Interfaces FA0/3 on both switches need to be configured as access ports.
- 10.
![Refer to the exhibit. What can be concluded from the output that is
shown? - ProProfs]( "Refer to the exhibit. What can be concluded from the output that is
shown?")
Refer to the exhibit. What can be concluded from the output that is shown?- A.
The management VLAN is VLAN 99.
- B.
The only VLAN that can be applied to switch ports is VLAN 99.
- C.
The only VLANs that can be applied to switch ports are VLANs 1 and 99.
- D.
The switch will only be able to forward frames for hosts on the 10.99.0.0 network.
- 11.
![Refer to the exhibit and the following error message from the SwA
switch.
00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non
trunk FastEthernet0/1 VLAN1.00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE:
Blocking FastEthernet0/1 on VLAN0001. Inconsistent port type.
Considering that the link between the two switches is good and the
correct type, what could cause this error message? - ProProfs]( "Refer to the exhibit and the following error message from the SwA
switch.
00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non
trunk FastEthernet0/1 VLAN1.00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE:
Blocking FastEthernet0/1 on VLAN0001. Inconsistent port type.
Considering that the link between the two switches is good and the
correct type, what could cause this error message?")
Refer to the exhibit and the following error message from the SwA switch. 00:22:43: %SPANTREE-7-RECV_1Q_NON_TRUNK: Received 802.1Q BPDU on non trunk FastEthernet0/1 VLAN1.00:22:43: %SPANTREE-7-BLOCK_PORT_TYPE: Blocking FastEthernet0/1 on VLAN0001. Inconsistent port type. Considering that the link between the two switches is good and the correct type, what could cause this error message?- A.
The Spanning Tree Protocol has been disabled on one switch.
- B.
The Spanning Tree Protocol has been disabled on both switches.
- C.
The IEEE 802.1Q trunking port has a speed mismatch on one of the switches.
- D.
The SwA port is configured as a trunk port and the SwB port is configured as an access port.
- E.
The SwA port has IEEE 802.1Q trunking enabled and the SwB port has ISL trunking enabled.
- 12.
![Refer to the exhibit. Based on the exhibited configuration and output,
why is VLAN 99 missing? - ProProfs]( "Refer to the exhibit. Based on the exhibited configuration and output,
why is VLAN 99 missing?")
- A.
Because there is a cabling problem on VLAN 99
- B.
Because VLAN 99 is not a valid management VLAN
- C.
Because VLAN 1 is up and there can only be one management VLAN on the switch
- D.
Because VLAN 99 needs to be entered as a VLAN under an interface before it can become an active interface
- E.
Because the VLAN 99 has not been manually entered into the VLAN database with the vlan 99 command
- 13.
![Refer to the exhibit. Which command needs to be used on router interface
Fa 0/1 to complete the VLAN configuration? - ProProfs]( "Refer to the exhibit. Which command needs to be used on router interface
Fa 0/1 to complete the VLAN configuration?")
Refer to the exhibit. Which command needs to be used on router interface Fa 0/1 to complete the VLAN configuration?- A.
RT_1(config)# trunk encapsulation dot1q
- B.
RT_1(config-subif)# encapsulation dot1q 10
- C.
RT_1(config-subif)# encapsulation negotiate
- D.
RT_1(config-subif)# encapsulation 802.1q
- E.
RT_1(config)# vlan encapsulation dot1q
- 14.
![Refer to the exhibit. Computer A is configured with an IP address of
192.168.20.5 and cannot ping RT_1. What is most likely the problem? - ProProfs]( "Refer to the exhibit. Computer A is configured with an IP address of
192.168.20.5 and cannot ping RT_1. What is most likely the problem?")
Refer to the exhibit. Computer A is configured with an IP address of 192.168.20.5 and cannot ping RT_1. What is most likely the problem?- A.
SW_1 FastEthernet interface 0/24 is not a trunk port.
- B.
The RT_1 FastEthernet 0/1.10 is not configured for VLANs.
- C.
The FastEthernet port 0/1 on SW_1 is configured for VLAN 20.
- D.
The management VLAN does not have an IP address assigned to the same VLAN.
- E.
The IP address of computer A is incorrect.
- 15.
![Refer to the exhibit. Which three hosts will receive ARP requests from
host A, assuming that port Fa0/4 on both switches is configured to carry
traffic for multiple VLANs? (Choose three.) - ProProfs]( "Refer to the exhibit. Which three hosts will receive ARP requests from
host A, assuming that port Fa0/4 on both switches is configured to carry
traffic for multiple VLANs? (Choose three.)")
Refer to the exhibit. Which three hosts will receive ARP requests from host A, assuming that port Fa0/4 on both switches is configured to carry traffic for multiple VLANs? (Choose three.)- A.
Host B
- B.
Host C
- C.
Host D
- D.
Host E
- E.
Host F
- 16.
![Refer to the exhibit. Two VLANs have been configured on the switch and
hosts have been assigned. Hosts in the Sales VLAN can ping all hosts in
their own VLAN, but cannot ping the hosts in the HR VLAN. What are two
explanations for this problem? (Choose two.) - ProProfs]( "Refer to the exhibit. Two VLANs have been configured on the switch and
hosts have been assigned. Hosts in the Sales VLAN can ping all hosts in
their own VLAN, but cannot ping the hosts in the HR VLAN. What are two
explanations for this problem? (Choose two.)")
Refer to the exhibit. Two VLANs have been configured on the switch and hosts have been assigned. Hosts in the Sales VLAN can ping all hosts in their own VLAN, but cannot ping the hosts in the HR VLAN. What are two explanations for this problem? (Choose two.)- A.
All hosts are in one collision domain.
- B.
All hosts are in one broadcast domain.
- C.
A router is required for communication between VLANs.
- D.
The hosts are in separate broadcast domains.
- E.
The management VLAN has not been assigned an IP address.
- 17.Which industry-wide specification was developed to decrease the time that is needed to move to the forwarding state by switch ports that are operating in a redundantly switched topology?
- A.
VLSM
- B.
PVST
- C.
802.1Q
- D.
RSTP
- E.
VTP
- 18.
![Refer to the exhibit. Which switch will be elected the root bridge and
which switch will place a port in blocking mode? (Choose two.) - ProProfs]( "Refer to the exhibit. Which switch will be elected the root bridge and
which switch will place a port in blocking mode? (Choose two.)")
Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.)- A.
SW1 will become the root bridge.
- B.
SW2 will become the root bridge.
- C.
SW2 will get a port blocked.
- D.
SW4 will get a port blocked.
- E.
SW3 will become the root bridge.
- 19.What is the purpose of the Spanning Tree Protocol (STP)?
- A.
Prevents Layer 2 loops
- B.
Prevents routing loops on a router
- C.
Creates smaller collision domains
- D.
Creates smaller broadcast domains
- E.
Allows Cisco devices to exchange routing table updates
- 20.Which statement is true regarding states of the IEEE 802.1D Spanning Tree Protocol?
- A.
Ports are manually configured to be in the forwarding state.
- B.
Ports listen and learn before going into the forwarding state.
- C.
Ports must be blocked before they can be placed in the disabled state.
- D.
It takes 15 seconds for a port to go from blocking to forwarding.
- 21.Four bits have been borrowed to create subnets. Which three addresses are subnet addresses? (Choose three.)
- A.
192.168.14.8
- B.
192.168.14.16
- C.
192.168.14.24
- D.
192.168.14.32
- E.
192.168.14.208
- 22.
![- ProProfs]()
- A.
IPv4
- B.
IPv6
- C.
TCP
- D.
UDP
- 23.
![This question is for reference.... Choose A for Correct Answer.. - ProProfs]( "This question is for reference.... Choose A for Correct Answer..")
This question is for reference.... Choose A for Correct Answer..- A.
Click Me
- B.
Don't Click Me
- C.
Ok your a dummy if you pick me
- D.
Ok your an extreme dummy if you pick me
- 24.Assuming a subnet mask of 255.255.224.0, which three addresses would be valid host addresses? (Choose three.)
- A.
10.78.103.0
- B.
10.67.32.0
- C.
10.78.160.0
- D.
10.78.48.0
- E.
172.211.100.0
- 25.What type of IP address is 172.16.134.48/27?
- A.
A useable host address
- B.
A broadcast address
- C.
A network address
- D.
A multicast address
- E.
A public address
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