Infrastructure

hardware

A consultant recommends that your company implements an appliance firewall. To which type of firewall is this referring?

It transmits data from multiple IP addresses.

A server on your network contains several virtual servers. However, the server contains a single NIC. Which statement MOST likely describes the communication from this server?

passive hub

An eight-port hub receives a signal through port five. That signal is then sent back out through ports one, two, three, four, six, seven, and eight without any signal regeneration. Which type of hub has been described?

SC

Fiber-optic cable

PoE

For a branch office network deployment, you have been asked to select network switches for the wiring center in your office building. You need a solution that does not rely on the availability of wall outlets to plug in IP-attached surveillance cameras, IP phones, and wireless access points near the RJ-45 wall jacks where those devices will be attached to the network. Which of the following options within a switch will solve this problem?

fiber-optic

Management at your company has recently become very concerned with interference or signal capture via the network cabling. You must advise them on which type of network media is the least susceptible to interference or signal capture. Which type provides this?

stateful firewall

Management has asked you to ensure that any traffic through the external firewall is allowed as long as it is the result of a previous connection. Which type of firewall performs this assessment when it first encounters traffic?

Category 5

Management has stipulated that you must use unshielded twisted-pair (UTP) category consists of four twisted pairs of copper wire that is certified for transmission rates of up to 100 Mbps for the new guest network you are setting up. Which cabling category should you use?

Media converters

One of your branch offices is located on two non-adjacent floors in an office building. You have been given permission to route a communications link between the two floors using existing conduit in the building's elevator shaft. Your current cabling plan calls for TP wiring on each of the two floors, but the distance between them is more than 90 meters. You need to interconnect the two floors using fiber optic cable in the cheapest manner possible. Which of the following should you deploy between the wiring centers on each floor?

RJ-45

Twisted pair cable

CAT6

Up to 100 m and 10 Gbps

CAT5

Up to 100 m and 100 Mbps

thinNet

Up to 185 m and 10 Mbps and uses RG-59 coaxial cabling

Single-mode fiber (SMF)

Up to 40 km and 10 Gbps

multi-mode fiber (MMF)

Up to 500 m and 10 Gbps

Thicknet

Up to 500 m and 10 Mbps and uses RG-6 coaxial cabling

Implement an HTTP proxy server.

Users on your network have access to the Internet. As more users access the Internet, bandwidth starts to diminish, causing Web pages to load slowly. After looking at the Web server logs, you have noticed that many of the same Web sites are being accessed by multiple users. What should you do to improve your company's Internet bandwidth?

Wireless bridges support higher bandwidth than E1/T1.

What is the advantage of using wireless bridges over E1/T1 leased lines?

to terminate the VPN tunnels

What is the main purpose of a VPN concentrator?

MAN

What should a business with a main office downtown use to communicate with various offices in nearby suburban locations?

virtual SAN

What should you implement to isolate two of the devices that are located on a storage area network (SAN) fabric containing eight devices?

VDSL

Which DSL technology provides the highest data rate?

OC-3

Which WAN technology offers the highest potential bandwidth?

T3

Which connection type allows for connections of up to 44.736 Mbps?

Virtual NIC

Which device or feature provides a bridge between the physical environment and the virtual environment?

ATM

Which of the following uses cells that are equally sized at 53 bytes each?

Load balancer

Which of these devices can be used to divert incoming web traffic to specific servers based on its content?

Multi-layer switch

Which of these devices can perform router functions?

NGFW

Which of these devices or functions works at Layer 7?

ATM

Which of these is NOT associated with data conversion between the ISP and the customer premise equipment?

iSCSI

Which of these provides the communication framework for data transfer in a storage area network (SAN) while minimizing costs?

Jumbo frame

Which of these should a network administrator use so that the network can accept an MTU value above 1,500?

An NIDS cannot detect an intruder who is logged on to a host computer.

Which statement is true of a network-based intrusion detection system (NIDS)?

IPS

Which system or device detects network intrusion attempts and controls access to the network for the intruders?

MPLS

Which technology allows using label switching for routing frames?

Coaxial

Which transmission medium is shown in the exhibit? Plastic Encasement, outer conductor, insulation, and inner conductor. Has two conductors. These two conductors share the same axis, providing the derivation of the name. The inner conductor is covered by foam insulation. This insulation is covered by a braided metal shielding that protects the signal from crosstalk.

Satellite

Which type of Internet connection is NOT limited by proximity to an ISP, and consequently has the highest latency?

signature-based IDS

Which type of intrusion detection system (IDS) relies upon a database that contains the identities of possible attacks?

UTM appliance

Which would be the best device to provide multiple security functions in a central location?

PPP

You are a network administrator for a company that maintains LANs in Los Angeles and Paris. You want to use PPTP to create a VPN connection between the LAN in Paris and the LAN in Los Angeles. A PPTP server has been configured on each LAN. Which protocol should you use to establish a connection between the PPTP servers?

full duplex duplex cables multimode

You are deploying fiber optic links and connections on a local area network. You need to ensure proper and efficient data communications. Which of the following transceiver or fiber optics characteristics are essential? (Choose all that apply.)

1000BaseCX

You are designing a SOHO network for your company. You want to use the Ethernet standard that supports a data transmission rate of 1 Gbps over copper cable. Which Ethernet standard should you use on the network?

dual-homed firewall

You are documenting the network layout for your company. You have discovered a firewall that has two network interfaces. Which firewall architecture have you discovered?

In both the (TIA) / (EIA) 568A and 568B specifications, Pins 4, 5, 7, and 8 contain the same colors. Pin 4 contains the Blue wire; Pin 5 contains the Blue/White wire; Pin 7 contains the Brown/White wire; and Pin 8 contains the Brown wire. All the other wires in the specifications are different.

You are explaining the TIA/EIA 568A and 568B wiring specifications to a new employee. Which wiring pins contain the same colors across both specifications? (Choose all that apply.)

MAC address port number protocol IP address

You are explaining the function of a multi-layer switch to several junior administrators. On which data can multi-layer switches make routing decisions? (Choose all that apply.)

1000BaseT

You are implementing a SOHO network for a small business. The business owner has asked that you implement a 1 gigabit per second (Gbps) network. Which Ethernet standard specifies a data transfer rate of 1 Gbps?

patch panel

You are installing the wiring for a small office. You want to connect the fifty computers in the office to the switch. The Cat6 cables that you plan to use have RJ-45 connectors on both ends. Which component should you use?

10GBaseER

You are looking at implementing several different 10GBase networks. You need to implement the one that offers the longest cable run because of the distances you must cover for your company's network. Which 10GBase specification should you select?

Category 3

You are setting up a 10-Mbps SOHO network at a residence. What is the lowest category or level of UTP cable that you should use as transmission medium for a small LAN communicating in the 10-Mbps range?

Start each wireless access point at a separate time.

You are setting up an 802.11a wireless network in an office environment that includes three wireless access points. The wireless access points are at least 15 meters apart and are configured for automatic channel setting. Each time you turn the wireless access points on, they all choose the same channel. You need to ensure that the access points choose separate channels to prevent interference, using the least amount of administrative effort.

The call terminates on an analog endpoint.

You are setting up your company's VoIP infrastructure. One remote office location has audio problems when placing or receiving calls. At times, speech quality is poor, or there is a noticeable and distinct echo for call audio. In troubleshooting a possible system configuration issue, which of the following possibilities do you want to eliminate first?

Implement port labeling. Implement patch panel labeling.

You are working to convert a 10BaseT network to a 1000BaseT network. This conversion includes replacing all cabling, network devices, and network interface cards (NICs). Next year, you also have a planned building renovation where departments will be relocated to different areas within the building. However, that renovation should involve minimal network hardware changes. When you start the conversion, you have a hard time determining where each wall plate terminates at the patch panels. You decide to follow better design procedures to make future upgrades or troubleshooting easier and also to ensure that next year's move goes more smoothly. However, your solutions should minimally impact the current network structure. Which best practices should you implement during the conversion? (Choose two.)

Maximum segment length of 100 meters (328 feet) Two pairs of Category 5 UTP cabling 100 Mbps data-transmission rate

You are working with a company that has a Fast Ethernet 100Base-TX network. You will be adding several new network segments to the current network. Which standards apply to this company's network? (Choose three.)

128 Kbps

You connect a home computer to a BRI ISDN line. The Bandwidth On Demand Interoperability Group (BONDING) protocol is used to combine the channels. What is the maximum data transfer rate of the B channels?

Green/White

You have been asked to create several TIA/EIA 568A wiring cables for your network. Which color wire should be placed in Pin 1?

SIP

You have been asked to implement a Voice over Internet Protocol (VoIP) on your company's network. Which protocol should you use?

application-level proxy firewall

You have been asked to research the different firewall types and make recommendations on which type(s) to implement on your company's network. You need to document how the firewalls affect network performance. Which type of firewall most detrimentally affects network performance?

10GBaseSW

You have been hired as a network administrator. The company wants to implement a 10 Gigabit Ethernet designation for use with a SONET network. Which of the following should you implement?

firewall

You have been hired as a new network administrator for your company. In your first week, you discover a device that uses a security policy to filter and examine packets coming into a network to determine whether to forward the packet to its destination. This device is not depicted on the company's network layout diagram. Which device is this?

packet filtering IP proxy services HTTP proxy services

You have decided to implement a firewall between your company's network and the Internet. What does a firewall software solution typically provide? (Choose three.)

Network devices will now operate in full-duplex mode.

You have replaced all of the routers on your network with switches. You then decide to turn off CSMA/CD. What is the BEST description of the result of your actions?

A 110 block does not use a punch-down tool.

You must decide whether to purchase 110 blocks or 66 blocks for the wiring in a new building. Which statement is NOT an advantage of a 110 block over a 66 block?

Twisted-pair

You must propose a cabling scheme for your company's new location. Several departments are located on the same floor with a maximum distance of 61 meters (200 feet) between departments. You want a relatively easy, low-cost installation with simple connections. Which type of cabling would you propose?

CAT5 UTP cable RJ-45 connectors

You need to connect a computer to a 100BaseTX Fast Ethernet network. Which of the two following elements are required? (Choose two.)

Access Point

You need to connect wireless devices to a wired local area network. Which device should you implement?

Support for SFP+ Support for GBIC connectors

You need to deploy a fiber distribution panel offer for datacenter, remote office, or local area networking use. Which of the following features are NOT important for such uses? (Choose all that apply.)

802.11a

You need to deploy wireless access points in a college environment. You want to deploy a solution that will provide the shortest range and the most non-overlapping channels to prevent interference. Which wireless standard should you deploy?

1000Base-CX

You need to implement a data center for your company. In this data center, you plan to implement inter-rack connections that are limited to 25 meters (82 feet). Which Ethernet standard should you implement?

rollover cable

You need to perform some administrative maintenance on a Cisco router. You decide to connect your notebook computer to the console port on the router. Which type of cable should you use?

It will not produce toxic gas when it burns.

You notice that the new cabling that was purchased is rated as "plenum." What does this indicate about the cable?

a firewall

You want to install a device between your company's private network and the Internet that will prevent users on the Internet from transferring HTTP messages into the company's network. Which device should you install?

LC

You will have a very small wiring closet for your routers. While the company will use fiber-optic cabling, you would like to use the smallest form connector to conserve space. The connector you plan to use should be roughly half the size of the other connectors. Which fiber-optic connector should you use?

For a sprawling small office/home office layout with no more than 10 devices active at any given time, but with two dead spots in need of improved wireless network access

You work for a company that deploys wireless networks for your customers. You have been asked to deploy wireless range extenders for several companies. For which of the following situations does deploying a wireless range extender make sense?

T1

Your company consists of 75 employees. Your company has entered into a partnership with another company that is located across the country. Your company's users must be able to connect to the partner's network quickly and reliably. Support for voice, data, and imaging transmissions and a dedicated 24-hour link are required. Your solution must be as inexpensive as possible while providing enough bandwidth for your company's employees. What should you implement?

fiber optic

Your company has decided to implement either a 1000Base-LX or 1000-Base-SX network. Which type of cable should you use?

UC gateway

Your company has decided to implement unified communication. You have been asked to implement a VoIP network. You need to connect the VoIP network to your company's PBX. What should you implement?

packet-filtering firewall

Your company has implemented a firewall that only examines the packet header information. Of which type of firewall is this an example?

media converter

Your company has recently leased the office next door to the one currently being used. Both offices will be used. The current office has a Cat 6 network installed. The new office has a fiber network installed. You need to connect the networks of the two offices. Which device should you use?

VoIP-PSTN gateway

Your company is deploying a VoIP system on its premises at three locations. The internal VoIP system must to communicate with the existing PSTN network. Which device will be necessary to permit network-based calls to access the PSTN, and for PSTN-based calls to access the network?

Implement virtual servers and switches.

Your company owns a single physical server. You need to ensure that Web services are hosted in a Linux environment while Active Directory services are hosted in a Windows environment. In addition, you need to ensure that these services are hosted on different broadcast domains. What should you do?

Cat6a

Your company wants to upgrade its twisted pair (TP) cable network to handle up to 10 GB data rates over the same distances (up to 90 meters) from switches to network nodes. Which TP category type must the company deploy to meet its requirements?

SFP+

Your companyâ™s networking team wants to deploy 10 Gbps Ethernet (10GbE) over fiber optic cables for its core or backbone network segments. Which of the following types of transceivers are they most likely to plug directly into their switches, routers, and server network adapters?

Router Wireless Access Point Bridge Switch

Your network contains four segments. You need to connect two or more of the LAN segments together. Which network devices can you use? (Choose four.)

Shielding

Your organization has both UTP and STP cabling available for wiring a new building. What is the main difference in the physical composition of these cables?

BNC

coaxial