CISCO CCNA4- VOUCHER EXAM v.3.1
1
Which of the following are benefits of creating a subnetwork structure in an IP network? (Choose three.)
permits network address duplication
*allows for address flexibility
*prevents address replication
provides broadcast containment
adds low-level security
*allows for more network hosts available
2
Refer to the graphic. Which of the following are true regarding the route summary EIGRP would utilize for the networks on RouterA? (Choose two.)
The networks can be summarized with auto-summary.
*The network summary must be manually configured.
The default subnet mask can be used to summarize the networks.
The networks can be summarized with 172.16.64.0/26.
*The networks can be summarized with 172.16.64.0/27.
The networks can be summarized with 172.16.64.0/28.
3
Which address does a bridge use to build its bridging table?
destination IP address
*destination MAC address
source IP address
source MAC address
4
Which of the following do switches send at regular intervals to eliminate switching loops?
bi-directional protocol data units
binary protocol data units
*bridge protocol data units
buffered protocol data units
5
What is required to configure multiple DLCIs on a single router interface?
A single network address
Multiple LMIs
*Subinterfaces
Multiple IP addresses on the same subnet
6
Which component designates a device that is not compatible with ISDN and requires a terminal adapter?
NT1
*NT2
TE1
TE2
7
What is an advantage of the use of layers in the OSI reference model?
It breaks network communications into larger parts.
It increases complexity.
*It prevents changes in one layer from affecting other layers.
It requires the use of single-vendor equipment for hardware and software communications.
8
What is the purpose of the show CDP neighbors command?
to send a summary of the local router configuration to all directly attached Cisco devices
*to display information about all Cisco devices that are directly connected to a local router
to display information about all Cisco networks in the WAN
to display addressing information about all remote routers
to display the names of all OSPF neighbors in the local area
9
Which type of ACL only checks the source address?
Extended ACL
General ACL
Source ACL
*Standard ACL
10
Which of the following improves security in PPP authentication?
LCP
NCP
*CHAP
PAP
11
For which condition will the ARP protocol be used?
The destination IP address is unknown.
*The destination MAC address is unknown.
The source IP address is unknown.
The source MAC address is unknown.
12
What is the name of that point in a LAN where the responsibility of the network administrator ends and the responsibility of the telco begins?
point of presence
local loop
DTE
*demarcation
13
What determines how much data a sending station running TCP/IP can transmit before it must receive an acknowledgment?
segment size
transmission rate
*bandwidth
window size
sequence number
14
Which utility can be used to verify connectivity through all seven layers of the OSI model?
netstat
ping
*Telnet
traceroute
15
Which statements about VLANs are true? (Choose three.)
VLANs are restricted to a physical segment.
*They are logical groupings of devices.
*User hosts can be grouped by function.
*VLANs are configured by software.
VLANs are standardized.
16
Which of the following IP addresses are broadcast addresses if the subnet mask is 255.255.255.240? (Choose three.)
*75.32.75.15
205.16.35.11
*199.254.129.111
*129.130.17.143
135.22.55.93
105.33.62.213
17
Which networking device performs path determination?
a hub
a switch
*a router
a bridge
18
Which device allows data communication to occur between VLANs?
bridge
hub
switch
*router
19
Which method does a router use to build a Frame Relay map?
ARP requests
RARP requests
Inverse RARP requests
*Inverse ARP requests
20
Routers and switches both perform important tasks in an internetwork. Which of the following are distinguishing differences between them? (Choose two.)
Routers are used more than switches.
Routers need no configuration to operate.
*Routers and switches operate at different layers of the OSI model.
Routers and switches route different sets of protocols.
*Routers block broadcasts.
Switches create broadcast domains.
21
By default, which of the following metrics is given the most weight by IGRP?
*bandwidth
hop count
load
reliability
22
Which statement is correct concerning routing and routed protocols?
*A routed protocol allows the routers to communicate with other routers and maintain tables for a routing protocol.
A routing protocol allows routers to communicate with other routers and maintain tables for a routed protocol.
Routers only need to use routing protocols to work properly.
There is no difference between routed and routing protocols.
23
What does the ISDN BRI provide?
23 B channels and one 64 kbps D channel
total bit rate up to 1.536 Mbps
two 56 kbps B channels and one 64 kbps D channel
*two 64 kbps B channels and one 16 kbps D channel
24
Which of the following EIGRP functions is the responsibility of the IP protocol-dependent module (PDM)? (Choose three.)
the calculation of successor and feasible successor routes for IP and IPX traffic
*the notification of DUAL when IP routing information is received
the communication of information about IP routes with neighbor routers
the maintenance of the IP routing table
*the exchange of hello packets with other IP-enabled routers
*the insertion of lowest cost paths into the routing table
25
Which of the following are functions of a WAN? (Choose three.)
*permit real-time communication between users
allow users access to high bandwidth
provide full-time local service
*provide e-mail and e-commerce services
connect physically adjacent devices
*provide access to computers in other locations
26
Which command will display statistics for all interfaces configured on a router?
list interfaces
*show interfaces
show processes
show statistics
27
What enables routers to learn of destination networks?
proxy ARP
CAM table exchanges
host name tables
*routing protocols
DNS lookups
28
Which type of handshaking occurs when using CHAP?
one-way
two-way
*three-way
four-way
29
Which statement describes the store and forward transmission mode of an Ethernet switch?
It is also referred to as a hybrid mode or as error sensing mode.
It requires the switch to read the first 64 bytes of an Ethernet frame and then begins to forward the data.
It decreases the latency of the transmission but has very little error detection.
*It increases latency with large frames, but error detection is high.
30
When must data be sent by way of the default route?
The destination network is on a different network than the source.
The destination network is not directly connected to the router.
The destination network is a stub network.
*There is no entry in the routing table for the destination network.
31
Which statements describe the use of Link State Advertisements (LSA)? (Choose two.)
*LSAs are generated when changes in the network occur.
Link state advertisements are refreshed every 60 minutes.
The router copies the information received from each LSA packet into the routing table.
*Routers exchange LSAs to build and maintain topology databases.
Forwarding LSAs can increase the occurrence of routing loops.
32
Identify the correct pairing of a protocol and its classification.
BGP-Interior
IGRP-Exterior
OSPF-Exterior
*RIP-Interior
33
Which of the following is the ISDN Layer 2 signaling protocol?
BRI
PRI
LAPA
*LAPD
34
What transmission channels are provided by an ISDN BRI service?
23 64 kbps B channels and one 64 kbps D channel
30 64 kbps B channels and one 16 kbps D channel
two 56 kbps B channels and one 16 kbps D channel
*two 64 kbps B channels and one 16 kbps D channel
two 64 kbps D channels and one 16 kbps B channel
23 64 kbps D channels and one 64 kbps B channel
35
The switches in the graphic are configured for VTP as shown. Select the statements that correctly describe the operation of these switches. (Choose two.)
A new VLAN can be added to Switch1 and that information will be added only to Switch2.
An existing VLAN can be deleted from Switch2 and that VLAN will be deleted from Switch1 and Switch4.
A new VLAN can be added to Switch4 and that information will be added to Switch1, Switch2, and Switch3.
*A new VLAN can be added to Switch1 and that information will be added to Switch2 and Switch4.
A new VLAN can be added to Switch3 and that information will be added to Switch1, Switch2, and Switch4.
*An existing VLAN can be deleted from Switch4 and that VLAN will be deleted from Switch1 and Switch2.
36
What is the default ISDN encapsulation used on Cisco ISDN routers?
SLIP
PPP
*HDLC
VPP
37
Which of the following represents a group of routers under a common administration and is required when configuring routing protocols such as IGRP or EIGRP?
control group
*autonomous system
corporate system
Domain Name System
local-area network
wide-area network
38
Given a router that has already been configured, what is the correct loading sequence when powering on?
bootstrap, RAM, operating system
bootstrap, configuration file, operating system
*bootstrap, operating system, configuration file
operating system, configuration file, RAM
39
Which of the following are routed protocols?
AppleTalk, IP, IGRP
*IP, AppleTalk, IPX
IP, RIP, IPX
IPX, OSPF, EIGRP
40
Which functions are carried out by switches and bridges when building the CAM tables? (Choose three.)
builds the table using unknown source MAC addresses from received frames
builds the table using unknown destination MAC addresses from received frames
*time stamps the entries for each address
*time stamps the BPDU of each frame received
*maps switch port numbers with the associated MAC address
maps switch port numbers with the associated network address
41
All the routers in the network shown in the graphic are part of the same OSPF area. All the routers were powered up simultaneously, except Router E, which was brought online the following day. Which router will be the BDR after the network has converged?
Router A
Router B
Router C
Router D
*Router E
42
Which reason is correct for having at least one true condition in an ACL?
If there is not a true statement, all packets are returned to the sender.
*The implicit "deny any" statement will deny all traffic.
True conditions only test the status of the router.
You are not required to have a true statement in ACL.
43
Which layer is responsible for organizing bits using framing?
Layer 1
*Layer 2
Layer 3
Layer 4
1
Which of the following are benefits of creating a subnetwork structure in an IP network? (Choose three.)
permits network address duplication
*allows for address flexibility
*prevents address replication
provides broadcast containment
adds low-level security
*allows for more network hosts available
2
Refer to the graphic. Which of the following are true regarding the route summary EIGRP would utilize for the networks on RouterA? (Choose two.)
The networks can be summarized with auto-summary.
*The network summary must be manually configured.
The default subnet mask can be used to summarize the networks.
The networks can be summarized with 172.16.64.0/26.
*The networks can be summarized with 172.16.64.0/27.
The networks can be summarized with 172.16.64.0/28.
3
Which address does a bridge use to build its bridging table?
destination IP address
*destination MAC address
source IP address
source MAC address
4
Which of the following do switches send at regular intervals to eliminate switching loops?
bi-directional protocol data units
binary protocol data units
*bridge protocol data units
buffered protocol data units
5
What is required to configure multiple DLCIs on a single router interface?
A single network address
Multiple LMIs
*Subinterfaces
Multiple IP addresses on the same subnet
6
Which component designates a device that is not compatible with ISDN and requires a terminal adapter?
NT1
*NT2
TE1
TE2
7
What is an advantage of the use of layers in the OSI reference model?
It breaks network communications into larger parts.
It increases complexity.
*It prevents changes in one layer from affecting other layers.
It requires the use of single-vendor equipment for hardware and software communications.
8
What is the purpose of the show CDP neighbors command?
to send a summary of the local router configuration to all directly attached Cisco devices
*to display information about all Cisco devices that are directly connected to a local router
to display information about all Cisco networks in the WAN
to display addressing information about all remote routers
to display the names of all OSPF neighbors in the local area
9
Which type of ACL only checks the source address?
Extended ACL
General ACL
Source ACL
*Standard ACL
10
Which of the following improves security in PPP authentication?
LCP
NCP
*CHAP
PAP
11
For which condition will the ARP protocol be used?
The destination IP address is unknown.
*The destination MAC address is unknown.
The source IP address is unknown.
The source MAC address is unknown.
12
What is the name of that point in a LAN where the responsibility of the network administrator ends and the responsibility of the telco begins?
point of presence
local loop
DTE
*demarcation
13
What determines how much data a sending station running TCP/IP can transmit before it must receive an acknowledgment?
segment size
transmission rate
*bandwidth
window size
sequence number
14
Which utility can be used to verify connectivity through all seven layers of the OSI model?
netstat
ping
*Telnet
traceroute
15
Which statements about VLANs are true? (Choose three.)
VLANs are restricted to a physical segment.
*They are logical groupings of devices.
*User hosts can be grouped by function.
*VLANs are configured by software.
VLANs are standardized.
16
Which of the following IP addresses are broadcast addresses if the subnet mask is 255.255.255.240? (Choose three.)
*75.32.75.15
205.16.35.11
*199.254.129.111
*129.130.17.143
135.22.55.93
105.33.62.213
17
Which networking device performs path determination?
a hub
a switch
*a router
a bridge
18
Which device allows data communication to occur between VLANs?
bridge
hub
switch
*router
19
Which method does a router use to build a Frame Relay map?
ARP requests
RARP requests
Inverse RARP requests
*Inverse ARP requests
20
Routers and switches both perform important tasks in an internetwork. Which of the following are distinguishing differences between them? (Choose two.)
Routers are used more than switches.
Routers need no configuration to operate.
*Routers and switches operate at different layers of the OSI model.
Routers and switches route different sets of protocols.
*Routers block broadcasts.
Switches create broadcast domains.
21
By default, which of the following metrics is given the most weight by IGRP?
*bandwidth
hop count
load
reliability
22
Which statement is correct concerning routing and routed protocols?
*A routed protocol allows the routers to communicate with other routers and maintain tables for a routing protocol.
A routing protocol allows routers to communicate with other routers and maintain tables for a routed protocol.
Routers only need to use routing protocols to work properly.
There is no difference between routed and routing protocols.
23
What does the ISDN BRI provide?
23 B channels and one 64 kbps D channel
total bit rate up to 1.536 Mbps
two 56 kbps B channels and one 64 kbps D channel
*two 64 kbps B channels and one 16 kbps D channel
24
Which of the following EIGRP functions is the responsibility of the IP protocol-dependent module (PDM)? (Choose three.)
the calculation of successor and feasible successor routes for IP and IPX traffic
*the notification of DUAL when IP routing information is received
the communication of information about IP routes with neighbor routers
the maintenance of the IP routing table
*the exchange of hello packets with other IP-enabled routers
*the insertion of lowest cost paths into the routing table
25
Which of the following are functions of a WAN? (Choose three.)
*permit real-time communication between users
allow users access to high bandwidth
provide full-time local service
*provide e-mail and e-commerce services
connect physically adjacent devices
*provide access to computers in other locations
26
Which command will display statistics for all interfaces configured on a router?
list interfaces
*show interfaces
show processes
show statistics
27
What enables routers to learn of destination networks?
proxy ARP
CAM table exchanges
host name tables
*routing protocols
DNS lookups
28
Which type of handshaking occurs when using CHAP?
one-way
two-way
*three-way
four-way
29
Which statement describes the store and forward transmission mode of an Ethernet switch?
It is also referred to as a hybrid mode or as error sensing mode.
It requires the switch to read the first 64 bytes of an Ethernet frame and then begins to forward the data.
It decreases the latency of the transmission but has very little error detection.
*It increases latency with large frames, but error detection is high.
30
When must data be sent by way of the default route?
The destination network is on a different network than the source.
The destination network is not directly connected to the router.
The destination network is a stub network.
*There is no entry in the routing table for the destination network.
31
Which statements describe the use of Link State Advertisements (LSA)? (Choose two.)
*LSAs are generated when changes in the network occur.
Link state advertisements are refreshed every 60 minutes.
The router copies the information received from each LSA packet into the routing table.
*Routers exchange LSAs to build and maintain topology databases.
Forwarding LSAs can increase the occurrence of routing loops.
32
Identify the correct pairing of a protocol and its classification.
BGP-Interior
IGRP-Exterior
OSPF-Exterior
*RIP-Interior
33
Which of the following is the ISDN Layer 2 signaling protocol?
BRI
PRI
LAPA
*LAPD
34
What transmission channels are provided by an ISDN BRI service?
23 64 kbps B channels and one 64 kbps D channel
30 64 kbps B channels and one 16 kbps D channel
two 56 kbps B channels and one 16 kbps D channel
*two 64 kbps B channels and one 16 kbps D channel
two 64 kbps D channels and one 16 kbps B channel
23 64 kbps D channels and one 64 kbps B channel
35
The switches in the graphic are configured for VTP as shown. Select the statements that correctly describe the operation of these switches. (Choose two.)
A new VLAN can be added to Switch1 and that information will be added only to Switch2.
An existing VLAN can be deleted from Switch2 and that VLAN will be deleted from Switch1 and Switch4.
A new VLAN can be added to Switch4 and that information will be added to Switch1, Switch2, and Switch3.
*A new VLAN can be added to Switch1 and that information will be added to Switch2 and Switch4.
A new VLAN can be added to Switch3 and that information will be added to Switch1, Switch2, and Switch4.
*An existing VLAN can be deleted from Switch4 and that VLAN will be deleted from Switch1 and Switch2.
36
What is the default ISDN encapsulation used on Cisco ISDN routers?
SLIP
PPP
*HDLC
VPP
37
Which of the following represents a group of routers under a common administration and is required when configuring routing protocols such as IGRP or EIGRP?
control group
*autonomous system
corporate system
Domain Name System
local-area network
wide-area network
38
Given a router that has already been configured, what is the correct loading sequence when powering on?
bootstrap, RAM, operating system
bootstrap, configuration file, operating system
*bootstrap, operating system, configuration file
operating system, configuration file, RAM
39
Which of the following are routed protocols?
AppleTalk, IP, IGRP
*IP, AppleTalk, IPX
IP, RIP, IPX
IPX, OSPF, EIGRP
40
Which functions are carried out by switches and bridges when building the CAM tables? (Choose three.)
builds the table using unknown source MAC addresses from received frames
builds the table using unknown destination MAC addresses from received frames
*time stamps the entries for each address
*time stamps the BPDU of each frame received
*maps switch port numbers with the associated MAC address
maps switch port numbers with the associated network address
41
All the routers in the network shown in the graphic are part of the same OSPF area. All the routers were powered up simultaneously, except Router E, which was brought online the following day. Which router will be the BDR after the network has converged?
Router A
Router B
Router C
Router D
*Router E
42
Which reason is correct for having at least one true condition in an ACL?
If there is not a true statement, all packets are returned to the sender.
*The implicit "deny any" statement will deny all traffic.
True conditions only test the status of the router.
You are not required to have a true statement in ACL.
43
Which layer is responsible for organizing bits using framing?
Layer 1
*Layer 2
Layer 3
Layer 4
44
What is the purpose of the IOS enable secret command?
*to set password protection on incoming Telnet sessions
to set password protection on the console terminal
to allow a user access to User mode
to allow a user to enter a password that will be encrypted
45
What reduces the problems of routing loops due to incorrect updates?
count to infinity
distance vector timers
event-triggered updates
*split horizon
46
Which of the following is true regarding routing metrics?
All routing protocols use the same metrics.
IGRP uses bandwidth as its only metric.
*Routers compare metrics to determine the best route.
The larger metric generally represents the better path.
47
Which of the following messages are sent from a DHCP server to a client during a successful configuration process? (Choose two.)
DHCPDISCOVER
*DHCPOFFER
*DHCPREQUEST
DHCPACK
48
What are the effects of LAN segmentation using a switch? (Choose three.)
*dedicated bandwidth between source and destinations
*enlarged collision domains
decreased broadcast domains
*increased number of collision domains
increased latency in the network
49
The Cake router shown in the graphic has multiple RIP version 2 paths to the network attached to E0 of the Pie router. Which interface on the Cake router will be used to forward a packet from the 192.168.5.0 network to the 192.168.13.0 network?
E0
*E1
S0
S1
It will load balance across S0 and S1.
It will load balance across S0, S1 and E1.
50
What is true about windowing?
It always requires separate acknowledgements for each segment sent.
*It controls the amount of data that can be sent before acknowledgement is required.
It requires the sender to re-establish a connection if no acknowledgement is received.
It allows TCP/IP to measure transmitted data in segments.
51
Company XYZ has a Class B address of 135.166.0.0 and currently has 4 individual segments to subnet. The company will be adding 5 additional segments over this year and 7 additional networks the following year. What subnet mask should be used on the network in order to support the largest number of hosts per subnet?
255.255.224.0
*255.255.240.0
255.255.248.0
255.255.250.0
255.255.252.0
52
Which of the following is true regarding latency?
CSMA/CD requires no latency.
It is also called asymmetry.
It is based entirely on distance.
*Networking devices add to latency.
53
What is the length, in bits, of an Ethernet address?
12
24
32
*48
80
128
54
How many bits are in IPv6 addresses?
16
32
64
96
*128
258
55
If the above network has been configured with RIPv2, how many usable host addresses are in the 192.168.10.192 subnet?
0
*2
4
6
8
56
Which methods do frame relay switches use to inform DTEs of congestion within the frame relay network?
CCP and LMI
CIR and LATE
DLCI and SPID
*FECN and BECN
57
What is the term for the cabling that connects the customer premises equipment to the CO switch?
demarc
local loop
final mile
*DTE
trunk line
58
An administrator has an older 1900 switch located on the edge of the network. What can the network administrator do to ensure that it does not become the root bridge of the spanning-tree network?
decrease the BPDU hello timer update on the 1900
assign the highest IP address to the switch that should be the root
assign the lowest IP address to new root bridge
*assign the lowest priority to the switch that should be the root
assign the highest priority to the new root bridge
decrease the BID on the 1900 switch
59
How is the number 225 represented in binary?
11001111
11011011
11110011
*11100001
60
What is the function of the first phase of PPP negotiation?
link termination
authentication of communicating peers
*link establishment and configuration
network layer protocol configuration
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