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Network Plus > MeasureUp2 > Flashcards

MeasureUp2 Flashcards

1
Q

What distance vector routing protocol is used for routing packets between host and provides the best interoperability between routers made by multiple vendors

A

RIPv2

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2
Q

Name two statements that describe a network layer firewall,

A
  1. it prevents incoming traffic addressed to a specific port. 2. It can either be stateful or stateless
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3
Q

What 1000BaseX cable supports single-mode fiber,

A

1000BASE-LX

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4
Q

Which 2 wireless standards support channel bonding,

A

802.11n and 802.11g

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5
Q

Describe a MTRJ connector

A

a duplex fiber optic connector used with multimode fiber only

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6
Q

Describe a SC connector

A

modular connector used with single mode fiber systems

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7
Q

Describe a ST connector

A

ST is a bayonet mount and the most popular of multimode

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8
Q

You plan to connect an IDS to a switch port–what feature must the switch support

A

Port mirroring

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9
Q

T or F– A bridge lets you connect 2 different media types as one logical subnet,

A

TRUE

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10
Q

What device is used to connect a router to a T1 line

A

CSU/DSU

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11
Q

What does traffic shaping do,

A

controls bandwidth usage, letting you identify priority traffic to support latency sensitive applications

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12
Q

Which wide area network technology offers 78 Mbps wireless transmission,

A

WiMAX–is based on 802.16 standard

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13
Q

Your company’s public web site hosts a critical app that needs 24/7 uptime. Solution for peak times.

A

Implement load balancing–one server fails other servers are available

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14
Q

How do SSL 2.0 and TLS 1.2 compare for providing internet security,

A

TLS 1.2 is more secure and is not connection compatible with SSL 2.0

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15
Q

2 or more network interfaces on a computer are combined to provide redundancy and increase the amount of throughput–referred as,

A

Bonding

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16
Q

what category of twisted pair cable do you use when wiring 10GBaseT Ethernet network,

A

CAT 6

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17
Q

What statement best characterizes the concept of latency in a routed network environment,

A

Latency is the time it takes to a packet to travel from its source to its destination

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18
Q

what are the recommended channels in the US for 802.11g,

A

1,6,11

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19
Q

what are the recommended channels in the rest of the world for 802.11g,

A

1,5,9,13

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20
Q

What information can you obtain by using a protocol analyzer

A

The source address, destination address and payload for each packet on the network

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21
Q

you need a firewall that can intercept packets and block inappropriate packets that use a specific protocol such as FTP and DNS–what kind of firewall,

A

An application layer firewall

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22
Q

Describe a network firewall

A

Does not perform detailed content inspection and is less sophisticated. Operates on Network layer of OSI

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23
Q

Describe a stateless firewall,

A

filters based on packet header info

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24
Q

Describe a stateful firewall,

A

Monitors active connections and filters in the context of connections thru which they are passed

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25
Deploying VoIP on Network, you need to be able to ensure that VoIP is given priority so that it has sufficient bandwidth with--do what,
Implement traffic shaping
26
For what purpose is UDP port 67 used,
IP address assignment
27
For what purpose would you use a virtual switch,
To allow communication between 2 virtual machines
28
What metric does OSPF use to determine the path to a destination,
Lowest cost
29
When would you use a stateful firewall to filter traffic,
To filter by monitoring connections and allowing valid traffic by connection type
30
Which virtualization component would allow end user data to be stored centrally in the data center but then accessed using a RDC
A virtual desktop
31
T or F--WPA2 Enterprise does not require an authentication server,
False--it would require an authentication server such as RADIUS
32
What is the primary purpose of Dynamic DNS,
To allow DNS client computers to dynamically update their resource records with the DNS server
33
The primary benefit of using STP over UTP is that STP,
has better immunity to EMI
34
Multiple hubs connected to a linear backbone is an example of a,
hybrid topology
35
What protocol is used to fine a network device's MAC address when its IP address is known
ARP
36
What device can you use to notify an administrator without disrupting normal network access if traffic patterns indicate an attacker is attempting DOS attack
IDS--monitors traffic on network & can be configured to alert admins
37
Authentication protocol that supports mutual authentication between clients and servers on LAN
Kerberos--port 88
38
You are using SNMP to manage network devices--what port SNMP agent listen for request from SNMP manager,
UDP 161
39
SNMP manager to receive SNMP notifications, which are known as traps in SNMPv1,
UDP 162
40
You need to configure your perimeter network so that firewalls can be automatically reconfigured in response to threats
Deploy an intrusion prevention system (IPS)
41
When designing a network infrastructure where is the required bandwidth necessary to meet minimum performance targets documented
Baseline documentation
42
What is a property of DHCP scope,
A rang of IP addresses that can be dynamically assigned to clients
43
Your network is connected with a large number of Layer 2 switches--poor performance--why,
A broadcast storm caused by switching loops
44
How many bits are used to define an IPv4 address
32
45
What is the role of an Interior Gateway Protocol in a network infrastructure,
To exchange routing information with autonomous networks
46
What does an autonomous network refer,
A private LAN or set of LANs
47
Which types of connectors can be used with 100BASE-FX cable--2 answers
ST and SC connectors
48
What does a RS connector connect to,
Serial devices--legacy peripherals
49
What is a RG-6,
Coaxial cable that is commonly used in cable to installations
50
Your network is configured to a single IP subnet, Multiple hubs connect--what would improve performance,
Install a switch
51
Which LAN technology is a packet-switching technology,
MPLS--Multiprotocol Label Switching
52
What physical network topology provides the best reliability,
Mesh, because there are multiple paths to each node
53
What is a disadvantage to Mesh topology
Cost of implementation
54
You install a firewall--which server would you typically place in the DMZ,
Web server that hosts a public web site
55
You are setting a wireless network--only employees can view wireless network--do what,
Disable SSID broadcasting
56
A proxy server is used to connect the internal network to the Internet--Users the same info pages--optimize web site,
Enable caching on the proxy server
57
You need to quickly test a cable terminator resistor. What should you use,
Multimeter--the resistance of a terminator resistors a measured in
58
What command can your use to define a static route between two hosts,
route--route command allows you to create or view a static routing table
59
Explain an omnidirectional antenna
sends and receives transmissions focused in a specific direction
60
What mechanism is used to prevent data loops between switches operating on layer 2 of the OSI model
Spanning Tree Protocol
61
What type of connector is used with 10BaseT Ethernet networks,
RJ-45
62
Which term refers to a service provider offering a virtualized network solution hosed in its own data center
NaaS--
63
Diagramming connection between network devices is an example of which of the following--
Cable management--documenting the cable plant
64
What device is a layer 3 device that connectors different IP subnets
Router
65
What is the fastest type of Ethernet that can run over CAT 3 Cable
10BASE-T

Network Plus (21 decks)

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