1 A LAN switch allows many users to communicate in parallel through which of the following?
-Routing tables
-Multipoint protocols
-Collision domains
-Virtual circuits
2 How do VLANs group network devices?
-Physically
-Logically
-Geographically
-Topographically
3 Full duplex requires how many pairs of wires?
-1
-2
-3
-4
4 What occurs each time a switch stores an address?
-Checks the subnet mask
-Time stamps it
-Places it in the routing table
-Clears the routing table
5 Which of the following is the default order of Spanning Tree Protocol states?1. Learning2. Disabled3. Blocking4. Listening5. Forwarding
-3, 4, 1, 5, 2
-4, 3, 1, 2, 5
-2, 1, 4, 3, 5
-1, 4, 3, 5, 2
6 Switches on a LAN allow the network administrator to do which of the following?
-Maintain a shared network segment
-Decrease the number of collision domains
-Prevent microsegmentation
-Increase the number of collision domains
7 Which of the following improves the performance of a shared media LAN?
-Segmenting the network
-Moving the workstations closer together
-Installing a more powerful server
-Installing more servers and printers
8 What protocol is used to allow redundant paths in a switched/bridged network?
-RIP
-Spanning Tree
-IGRP
-ISL
9 What is used to alleviate congestion?
-Install more hubs
-Use an extended star
-Use a bus topology
-Increase the bandwidth
10 Which switch type provides connections between ports of like bandwidth?
-Asymmetric
-Port-centric
-Programmable
-Symmetric
11 What type of switching method is used when a switch only reads the destination
address before forwarding the frame?
-Cut-through
-Read and send
-Copy and send
-Store-and-forward
12 Which OSI layer does a router use to make its forwarding decisions?
-1
-2
-3
-4
13 Which of the following does a switch use to make forwarding decisions?
-Network layer information
-Transport layer information
-A MAC address
-An IP address
14 Which area of memory does the switch use to store destination and transmission data?
-Storage partition
-Delay queue
-Memory buffer
-Memory queue
15 Which Layer 1 device is used to extend the coverage area of a LAN segment?
-Router
-Switch
-Repeater
-Gateway
16 Bridges learn about a network by building a table based on which of the following?
MAC addresses
IP addresses
ARP requests
RIP requests
17 The implementation of switching technology helps to decrease congestion by reducing
traffic and increasing which of the following?
Attenuation
Available bandwidth
Routing protocols
Propagation
18 What will be generated when the first Ethernet station detects a collision?
NACK
CRC misalignment message
Reset broadcast
Jam signal
19What is read by a switch to begin the forwarding process and reduce latency?
Frame trailer
Destination MAC address
Source MAC address
Checksum
20 Switches that receive the entire frame before sending it,
use what type of frame forwarding?
Cut-through
Receive and send
Copy and send
Store-and-forward
21 What percentage of bandwidth is available in each direction
when using full-duplex?
50%
75%
100%
125%
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1 What is the term used when ports on a switch are administratively assigned to a VLAN?
Dynamic
Static
Default
Polled
2 Dynamic VLANs can be based on which of the following?
MAC addresses
Protocol type
Logical addressing
All of the above
3 What is the term used when switch ports are automatically assigned to a VLAN?
Dynamic
Static
Port-centric
Default
4 A VLAN is based on which type of grouping?
Logical
Physical
Star
Ethernet
5 Which of the following do VLANs use to make filtering and forwarding decisions?
Packets
Frames
Presentation header
Network design
6 Which of the following VLAN types require changes by the network administrator
but are easy to configure, and straightforward to monitor?
Dynamic
Static
Cut-through
Store-and-forward
7 What is a benefit of using VLANs?
Extended collision domains
Increased administration
Multiple cable runs
Tighter network security
8 Frame tagging places a unique identifier in the header of each frame as
it is forwarded across the network __________.
microsegment
LAN
backbone
WAN
9 A VLAN makes up a switched network that is logically segmented by
all of the following EXCEPT:
Collison domains
Functions
Applications
Project teams
10 Which technique examines particular information about each frame?
Latency
Frame resolving
Frame filtering
Store and forward
11 According to the IEEE, what is the acceptable way to implement VLANs?
Grouping
Filtering
Source bridging
Frame tagging
12 What would be the preferred type of link of a VLAN backbone?
slow serial
low capacity
56 Kbps
High bandwidth
13 Users may be reassigned to different VLANs using which of the following?
Hubs
Software
Routers
Bridges
14 What is an effective preventative measure used with segmentation to prevent
broadcast related problems?
Firewalls
LANs
WANs
Bridges
15 Frame tagging functions at what OSI layer?
2
3
1
4
16 When logically segmenting your network with VLANs, what type of device do
you need to ensure proper communication between the VLANs that are created?
Switch
Bridge
Hub
Router
17 What is a VLAN used to create?
Autonomous systems
Broadcast domains
Network Sectors
Virtual sections
18 What technique does 802.1q use to implement VLANs?
Grouping
Filtering
Source bridging
Frame tagging
19 Which device is used to reduce or eliminate broadcast related problems?
Bridges
Routers
Passive hubs
Active hubs
20 How can access be controlled on a secured VLAN?
Station address
Protocol types
Application types
All of the above
21 The smaller the VLAN, the smaller the number of users that are affected
by which of the following?
Packet filtering
Switch latency
Framing
Broadcasts
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1 Which of the following devices establishes a bandwidth domain also known as the collision domain?
Repeater
Switch
Active hub
Passive hub
2 Internetwork design seeks to provide the greatest availability for the least _________.
design time
cost
network downtime
installation time
3 What is the effect of a switch on bandwidth?
Dedicates bandwidth
Shares bandwidth
Decreases bandwidth
Eliminates bandwidth
4 Where should workgroup servers be placed?
MDF
POP
VCC
IDF
5 Which of the following is NOT a factor when configuring an intranet?
Type of data to be accessed
Server privileges
Providing public access
Outfitting desktops with faster connectivity
6 What type of network segmentation do routers allow?
Logical and Incremental
Logical and Physical
Virtual and Physical
Virtual and Logical
7 What can routers provide when used between VLANs?
Communication
No services
Larger collision domains
Additional availability of MAC addresses
8 What is used to create multiple physical networks in a structured Layer 1 wiring scheme?
Patching the horizontal and vertical cabling into an appropiate layer 2 switch
Using a router
Connecting the MDF to the IDF
Patching fiber optic cable to coaxial cable
9 Which of the following is NOT a step in gathering and analyzing requirements for a LAN?
Develop LAN topology
Track information flow
List applications in use
Address performance issues
10 What is the most important Layer 1 issue to consider when designing a network?
VLAN layout
Physical cable plan
Router layout
Switch segmentation
11 The star/extended star topology uses what type of standard?
Token ring
Ethernet 802.3
Ethernet 802.5
ARCNET
12 Which of the following is allowed by asymmetric switching?
Shared switching on a segment
Connections of unlike bandwidth
Dedicated uplink connectivity
Like bandwidth connections
13 What is the maximum recommended distance of a standard patch cord connecting
the horizontal cross connect with switch ports?
3 m
6 m
9 m
10 m
14 When creating multiple wiring closets in a totally switched environment, what else is always created?
Multiple catchment areas
Multiple broadcast domains
Multiple MDFs
Multiple LANs
15 What is the current standard for the bandwidth connecting MDF to IDF in Mbps?
1
10
100
150
16 Which device is one of the most common Layer 2 devices?
LAN switch
Active hub
Passive hub
Router
17 What do VLANs provide?
Physical networks
Larger broadcast domains
Decreased security
Broadcast containment
18 What is the ability to expand the network without having to perform any major changes to the overall design?
Functionality
Manageability
Operability
Scalability
19 In a pure LAN switch environment, what is the size of the collision domain?
All hosts
Four hosts
Two hosts
The number of hosts in the broadcast domain
20 What is the first step in LAN design?
Establish the design goals
Estimate the design cost
Determine the network users
Determine the physical size
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1 IP access lists use which of the following to determine which address bits are examined?
Subnet masks
Network masks
Host IDs
Wildcard bits
2 When using a standard access list, which of the following criteria can routers use for filtering packets?
MAC address
Port numbers
Specific protocols
Source address
3 Which Cisco IOS command allows you to view the placement of an access list?
show access list
show access-group
show ip interface
show interface
4 Which port number is used for DNS?
21
33
52
53
5 Which command is used to keep track of how many packets were permitted or denied based on an access-list?
eq
establish
ack
log
6 Which wildcard mask would match the host range for the subnet 192.16.5.32 /27?
0.0.0.32
0.0.0.63
0.0.63.255
0.0.0.31
7 Which type of access list uses the number range 100-199?
IPX standard
AppleTalk
IP standard
IP extended
8 Which of the following must be configured on a router in order to deny packets based on specific tests?
Access lists
RIP
IGRP
Source routing
9 What happens to a packet that does not match any of the tests in an access list?
It is discarded.
It is sent to the recipient.
It is stored until the access list is updated.
It is returned to the sender.
10 What type of access list would you use to permit or deny specific protocols within the IP suite?
Extended
Protocol suite
Specific
Standard
11 A wildcard mask bit of "1" means that the corresponding bit must be ___________.
checked
ignored
deleted
passed
12 In an access list, what word can replace 0.0.0.0 255.255.255.255?
Permit
Accept
Any
All
13 Where should standard access lists be set?
Close to the source
Close to the destination
On any router in the network
Midway between source and destination
14 Which type of access list would permit or deny part of a protocol suite?
Standard
General
Specific
Extended
15 Which order are the statements in an access list processed to determine whether packets should be processed or discarded?
From bottom of the list up
In random order
By prioritizing the incoming packets
In sequential order
16 What is a possible use of ACLs?
Increased network traffic
Decreased security
Packet filtering
Decreased latency
17 What is the final step in implementing an access list?
Apply the access list to one or more interfaces.
Set the parameters for the access list tests.
Determine the state of the access list.
None of the above
18 Along with the packet type, Cisco IOS access lists also check what?
Physical layer headers
Upper layer headers
Lower layer headers
Data link headers
19 Access lists can be applied to traffic flowing in which direction?
Inbound only
Both inbound and outbound
Outbound only
Serial only
20 Which ACL would permit everyone to telnet to router 192.168.5.2?
router-a(config)#access-list 102 permit ip any host 192.168.5.2 eq 23
router-a#access-list 102 permit ip any host 192.168.5.2 eq 23
router-a(config)#access-list 102 permit tcp any host 192.168.5.2 eq 23
router-a#access-list 102 permit tcp any host 192.168.5.2 eq 23
21 What would the wildcard mask be to deny traffic only on network 195.67.52.0?
0.0.255.255
255.255.255.0
0.0.0.255
255.255.0.0
21 Which of the following results from the use of bridges and switches for segmentation?
Multiple broadcast domains
A single collision domain
A larger overall network
Multiple collision domains
22 Which of the following devices is associated with one broadcast domain per port?
Switch
Active hub
Router
Bridge
23 Which of the following results in network microsegmentation?
Using only hubs for connectivity
Removing bridges from the network
Using switches for connectivity
Adding more computers on a single segment
24 Which of the following is NOT true about logical and physical network maps?
Give a snapshot of the network
Help troubleshoot
Show which routing protocol is used
Show subnet mask and router name
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1 Which of the following refers to the number of routers a packet must pass through?
Bandwidth
Hop count
Tick count
Delay
2 What two parts can most protocol addressing schemes be broken down into?
TCP and IP
IPX and SPX
Network and broadcast
Network and host
3 Routers under a common administration are said to belong to what?
A WAN
A LAN
An AS
An SNMP
4 What type of information is automatically adjusted as topology changes occur?
Static routes
Dynamic routes
ARP tables
RARP tables
5 What causes routing loops?
Path determination is optimized
Hop count is set below 50
Convergence is present
Routing tables have not converged
6 What allows a router to accept a packet on one interface and forward it to another interface?
Broadcast forwarding
Switching function
Filter and control function
Path determination
7 Which of the options below gives two basic steps required when configuring a routing protocol?
1. Configure the interface
2. Enable the routing protocol
3. Disable routing updates
4. Add the network numbers
1, 2
2, 3
2, 4
3, 4
8 Entries made by an administrator to manipulate a routing table are referred to as which of the following?
Static routes
Dynamic routes
ARP tables
Routing tables
9 Which of the following is a Cisco proprietary protocol?
IGRP
RIP
OSPF
ISIS
10 Select the correct IOS command for configuring IGRP as the routing protocol.
Router#router igrp 100
Router(config-router)>router igrp 100
Router(config)#router igrp 100
Router(config-if)#set router igrp 100
11 Distance-vector routing begins by identifying which directly connected entity?
Routers
Ports
Switches
Networks
12 Which OSI layer is responsible for finding the best path through the internetwork?
1
2
3
4
13 Which routing protocol is used to communicate between autonomous systems?
RIP
Ethernet
Token Ring
Exterior routing protocols
14 What is the maximum hop count associated with IGRP?
15
50
100
255
15 What do routers use to make forwarding decisions?
Routing tables
VLANs
WAN connectivity
Proximity
16 Which of the following is another term for shortest path first routing algorithm?
Source bridging
Store-and-forward
Distance-vector
Link state
17 What passes periodic copies of routing tables from router to router?
Link state
Distance vector
Store-and-forward
Cut-through
18 What do routers use to communicate with other routers?
Broadcast forwarding
IP Tunneling
Routing protocols
Routed protocols
19 What does dynamic routing rely on?
Maintenance of an ARP table
Accurate entry of static routes
Accurate routing tables
Collision forwarding
20 For dynamic routing to work properly what must routers send to other routers?
ARP requests
RARP packets
Static routes
Timely updates
21 At what time interval does IGRP send routing updates?
120 seconds
30 seconds
60 seconds
90 seconds
22 What is a router's main responsibility when routing packets?
Traffic control
Collision avoidance
Enforcing security
Path determination
23 Which of the following are primary goals of routing protocols?
1. Point-to-multipoint routing
2. Rapid convergence
3. Efficiency
4. Flexibility
5. Microsegmentation
1, 2, 3
2, 3, 4
3, 4, 5
1, 3, 5
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