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Network Implementation Flashcards

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1
Q

For redundancy purposes, a network engineer installs a new router and enables a load balancing protocol. What type of address should he assign as a default gateway to end devices?

A. APIPA
B. Loopback
C. IPv6
D. Virtual IP

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2
Q

An alert indicates the loss of connectivity with a router. The log shows the following line:
EGP: Sending 19 bytes keepalive to 11.17.2.1 (External AS 1471) Failed, Neighbor down. TCP/179
Which routing protocol should be investigated?

A. RIP
B. EIGRP
C. OSPF
D. BGP

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3
Q

Which device should a company use to configure a new area within OSPF?

A. Router
B. IPS
C. IDS
D. L2 Switch

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4
Q

A router must forward a packet to a subnet for which it does not have a route. Which route will the router MOST likely utilize?

A. Exterior route
B. Default route
C. Dynamic route
D. Static route

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5
Q

Which routing protocol requires each node to build a complete network map?

A. BGP
B. OSPF
C. RIP
D. EIGRP

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6
Q

What does a router use when routes from different routing protocols exist for the same destination?

A. Latency
B. Hop count
C. Administrative distance
D. Shortest Path First

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7
Q

Which is considered an exterior routing protocol?

A. OSPF
B. BGP
C. RIP
D. EIGRP

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8
Q

Which primary benefit does VRRP provide?

A. Confidentiality
B. Availability
C. Authentication
D. Integrity

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9
Q

PC1 and PC2 are connected to a managed switch. PC1 uses port F0/5, which is in VLAN 7, and PC2 uses port F0/11, which is in VLAN 12.
What is the minimum required configuration by a technician on PC1 and PC2 to exchange data?

A. IP address, subnet mask, and default gateway
B. IP address and default gateway
C. IP address, subnet mask, default gateway, and MAC address
D. IP address and subnet mask

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10
Q

A network consultant determines that a company can improve its performance by implementing jumbo frames. The network is configured with 10/100/1000 switches, and all hosts are configured with Gigabit Ethernet network adapters. The network is wired with Cat 5e UTP cable.
What must the company do to support jumbo frames?

A. Enable STP on all switches.
B. Replace the cable with Cat 6 UTP cable.
C. Configure each switchport in dynamic auto mode.
D. Increase the MTU to 9000.

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11
Q

Match each statement with the appropriate switch port protection. To answer, select the appropriate switch port protection from the drop-down menus.

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12
Q

A network engineer has installed three gigabit switches. The switches will provide access to NAS devices for end users. What should the engineer configure to avoid a bottleneck in the network with big file transfers?

A. VRRP
B. FTP with SSH
C. Port security
D. Trunks with port aggregation
E. HSRP
F. QoS policy

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13
Q

To enhance performance and security, an organization defines VLANs on L2 switches. Switches will not host the same VLANs, but traffic for all VLANs must flow between switches. Which solution BEST meets this requirement?

A. Connect all switches to a Layer 3 switch.
B. Create an interface for each VLAN on all switches.
C. Connect switches together on access ports.
D. Configure tagging on switch interconnects.

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14
Q

A network administrator connects finance and marketing PCs to the same L2 switch. The administrator must ensure that marketing PCs do not communicate with finance PCs.
Which is the BEST solution the administrator should deploy?

A. Define data VLANs
B. Deploy an IPS.
C. Configure a screened subnet.
D. Disable STP.

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15
Q

An organization plans to deploy WAPs in all its offices. Due to cost constraints, some mounting locations will only be reachable using Cat 6a cabling. Which of the following should the organization also plan to deploy to ensure that WAPs function properly?

A. PoE+
B. LACP
C. STP
D. 802.1q

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16
Q

The connection between an access and distribution is over utilized. Which should a network engineer use to increase bandwidth between the switches?

A. CDMA
B. LACP
C. Flow control
D. 802.11ax

17
Q

A user complains about the transfer rates from a server in VLAN 4. A network administrator connects to a switch and receives the output shown in the exhibit. Which parameter is MOST likely misconfigured on the switch?

A. Flow control
B. MDI mode
C. Duplex
D. Speed

18
Q

A consultant is helping a company design a wireless LAN implementation. Network requirements include internal access points for network host connections and external wireless connections between buildings. The consultant needs to help the company choose appropriate antennas.
What does the dBi rating of an antenna represent?

A. A higher dBi antenna has more gain and a narrower field pattern than a lower dBi antenna.
B. A higher dBi antenna has the same gain and a narrower field pattern than a lower dBi antenna.
C. A higher dBi antenna has more gain and a wider field pattern than a lower dBi antenna.
D. A higher dBi antenna has the same gain and a wider field pattern than a lower dBi antenna.

Study These Flashcards
A

A. A higher dBi antenna has more gain and a narrower field pattern than a lower dBi antenna.

How to Position Router Antennas
Lower or Higher dBi?
12 Wireless Router Antenna Distance Coverage Comparison

19
Q

A company wants to deploy a new WLAN topology without running new electrical wiring. The solution has to support the 5Ghz band, MU-MIMO, and offer speeds of at least 2100 Mbps. The company wants to use a PoE solution providing at least 25W of power for a connected device. Which two components should be user? (Choose two.)

A. An access point supporting the 802.11ac Wave 1 standard
B. An access point supporting the 802.11ac Wave 2 standard
C. A switch supporting the 801.x standard
D. A switch supporting the 802.3at standard
E. A switch supporting the 802.3af standard
F. An access point supporting the 802.11n standard

20
Q

A company wants to pen a new office. A wireless site survey reveals that there are 12 access points in the area immediately around the office and that they use channels 1, 6, and 11. What should the company do to address the interference problem?

A. Install an omnidirectional antenna.
B. Configure channel bounding at 2.4 GHz.
C. Implement 802.1x.
D. Use the 5 GHz band.

21
Q

A company expands its corporate campus. All new buildings are configured to support wireless LANs. The company wants to use WPA2-Enterprise to ensure wireless security and provide for centralized control of authentication and authorization.
What type of network device is needed to provide centralized authentication and authorization?

A. NGFW
B. Proxy server
C. Wireless LAN controller
D. RADIUS server

22
Q

A network administrator has been tasked with deploying a new wireless LAN controller. Which protocol is recommended for integrity checking and encryption?

A. TLS
B. IPsec
C. SHA512 with AES
D. PSK-TKIP
E. AES-based CCMP

23
Q

A recent network audit has highlighted the security issues on the access point shown in the exhibit. What should the company do?

A. Change the authentication method to WPA-TKIP.
B. Change the channel bandwidth to 40MHz only.
C. Change the authentication method to WPA2-AES.
D. Change the channel bandwidth to 20MHz only.
E. Enable the Hide SSID option.

24
Q

An organization plans a new 802.11 deployment. The organization wants to maximize performance by allowing simultaneous communication streams between clients and WAPs. Which should the organization deploy?

A. LACP
B. GSM
C. FHRP
D. MU-MIMO

25
A network administrator plans to deploy a wireless network. What should they use to provide the strongest encryption for wireless communications? A. WPA2 Enterprise B. WPA with TKIP C. WPA2 with TKIP D. WPA Enterprise
A. WPA2 Enterprise [WPA vs. WPA2: Upgrading Your Wi-Fi Security](https://www.pandasecurity.com/en/mediacenter/wpa-vs-wpa2/) [The Difference Between WEP, WPA, and WPA2 Wi-Fi Passwords](https://www.howtogeek.com/167783/htg-explains-the-difference-between-wep-wpa-and-wpa2-wireless-encryption-and-why-it-matters/) [TKIP vs AES: an encryption guide](https://proprivacy.com/blog/tkip-vs-aes) [The Difference Between Wi-Fi Security Protocols: WPA2-AES vs WPA2-TKIP](https://lifehacker.com/the-difference-between-wi-fi-security-protocols-wpa2-a-1672256222)
26
A restaurant offers public Wi-Fi access to the Internet for its customers. A customer is prompted with a web page that requires the customer to agree to abide by use policies while connected. What is this an example of? A. NAC B. Captive portal C. Multifactor Authentication D. MAC address filtering
B. Captive portal [What is network access control?](https://www.cisco.com/site/us/en/learn/topics/security/what-is-network-access-control-nac.html) [MAC Filtering in Computer Network](https://www.geeksforgeeks.org/mac-filtering-in-computer-network/) [What is Multi-Factor Authentication (MFA) and How Does it Work?](https://www.onelogin.com/learn/what-is-mfa)
27
A company is replacing a portion of its wired LAN with a wireless LAN configured for Wi-Fi Protected Access II (WPA2). The company needs to use the most secure encryption protocol for WPA2. Which protocol should the company implement? A. TKIP-RC4 B. EAP-TLS C. CCMP-AES D. EAP-FAST
C. CCMP-AES [WEP, WPA, WPA2, TKIP, AES, CCMP, EAP](https://learningnetwork.cisco.com/s/question/0D53i00000Ksnr2CAB/wep-wpa-wpa2-tkip-aes-ccmp-eap) [Which EAP types do you need for which identity projects?](https://www.networkworld.com/article/743548/which-eap-types-do-you-need-for-which-identity-projects.html)
28
A company deploys a new wireless network. The company secures access using WPA2-Personal. What is required for a client to connect to an access point? A. Recognized MAC address B. User name and password C. Client certificate D. Pre-shared key
D. Pre-shared key [Wi-Fi Protected Access](https://en.wikipedia.org/wiki/Wi-Fi_Protected_Access) [What Are WEP and WPA? Which Is Best?](https://www.lifewire.com/what-are-wep-wpa-and-wpa2-which-is-best-2377353) [MAC Address Filtering: What It Is and How It Works](https://www.lifewire.com/enabling-mac-address-filtering-wireless-router-816571)
29
A network administrator must configure a wireless controller to allow authentication for devices that do not support EAP. Once configured, client authentication must be automatic. However, unauthorized users should not be able to access network resources. Which of the following actions should the administrator take? A. Require clients to use certificates to authenticate. B. Configure the controller to support TLS. C. Enable PSK authentication on the controller. D. Configure 802.1x on the controller and setup RADIUS.
C. Enable PSK authentication on the controller. [Wi-Fi Security: Should You Use WPA2-AES, WPA2-TKIP, or Both?](https://www.howtogeek.com/204697/wi-fi-security-should-you-use-wpa2-aes-wpa2-tkip-or-both/) [802.1X Overview and EAP Types](https://www.intel.com/content/www/us/en/support/articles/000006999/wireless/legacy-intel-wireless-products.html) [What is 802.1x Security Authentication for Wireless Networks?](https://kb.netgear.com/1209/What-is-802-1x-Security-Authentication-for-Wireless-Networks)
30
A network administrator is troubleshooting poor wireless performance used for a building-to-building backhaul and suspects the WAP antenna needs to be replaced. Which antenna type should the administrator deploy to maximize gain? A. Directional B. Omnidirectional C. Parabolic dish D. Yagi
C. Parabolic dish [Extend Your Signal with a Parabolic Wifi Antenna](https://blog.rottenwifi.com/parabolic-wifi-antenna/)
31
A network administrator is concerned about ESD in a data center. Which monitor will the administrator MOST likely deploy to validate this concern? A. Flooding B. Power C. Temperature D. Humidity
D. Humidity [Humidity In Your Data Center](https://avtech.com/articles/8644/humidity-in-your-data-center/) [Top 5 Data Center Power Monitoring Best Practices](https://www.datacenterknowledge.com/data-center-infrastructure-management/top-5-data-center-power-monitoring-best-practices) [Water damage in the server room and data center and the consequences](https://www.didactum.com/en/monitoring/water-damage.html) [Why is monitoring server room temperature important?](https://www.vertiv.com/en-emea/about/news-and-insights/articles/educational-articles/why-is-monitoring-server-room-temperature-important/)
32
A company is installing a large rack-mounted infrastructure to support a web server farm. High-availability is a critical concern for the company. You need to recommend a solution that will ensure continued availability without interruption if AC line power is lost. What type of technology does the company need to ensure this? A. Standy generator B. Power conditioner C. Redundant power supply D. UPS
D. UPS [The Eaton UPS and power management Fundamentals handbook](https://www.eaton.com/content/dam/eaton/products/backup-power-ups-surge-it-power-distribution/backup-power-ups/eaton-UPS-Fundamentals-Handbook-COR172FYA.pdf) [What Is a Standby Generator?](https://woodstockpower.com/blog/what-is-a-standby-generator/) [Redundant Power Supply: Why is it Important?](https://www.racksolutions.com/news/blog/redundant-power-supply/)
33
What is the PRIMARY use of an intermediate distribution frame (IDF) in a network infrastructure? A. To protect the network from external threats B. To perform Network Address Translation (NAT) for devices C. To route traffic between different VLAN segments D. To facilitate connectivity for end-users and devices
D. To facilitate connectivity for end-users and devices [What is a router?](https://www.cloudflare.com/learning/network-layer/what-is-a-router/) [What Is Intrusion Prevention System (IPS)? Definition and Types](https://www.fortinet.com/resources/cyberglossary/what-is-an-ips) [What Is NAT?](https://www.comptia.org/content/guides/what-is-network-address-translation)
34
What is the PRIMARY benefit of using power distribution units (PDUs) in a datacenter? A. Continuous power in the event of an outage. B. Power conditioning during brownouts. C. Protection against over voltages. D. Remote switching for equipment reboots.
D. Remote switching for equipment reboots. [A Cheat Sheet for Buying Your Next PDU](https://www.cyberpowersystems.com/blog/cheat-sheet-buying-next-pdu/) [PDU vs. Power Strip vs. UPS: Understanding Power Distribution Units](https://blog.enconnex.com/power-distribution-unit-pdu-vs-power-strip-vs-ups)
34
A network technician is concerned about electrostatic discharge (ESD) in a large IDF. What should the technician do to address this concern? A. Ensure that the humidity is 50% - 70%. B. Ensure that the humidity is 30% - 50%. C. Ensure that the humidity is 40% - 60%. D. Ensure that the humidity is 60% - 80%.
C. Ensure that the humidity is 40% - 60%. [Temperature and humidity monitoring in data centers](https://www.metrikus.io/blog/temperature-and-humidity-monitoring-in-data-centers) [Why Is Low Humidity Bad for Data Centers?](https://www.ambientedge.com/kingman-heating-and-air-conditioning-repair-and-service-experts/why-is-low-humidity-bad-for-data-centers/) [Humidity In Your Data Center](https://avtech.com/articles/8644/humidity-in-your-data-center/) [Server Room Humidity: Learn Critical Humidity Control](https://cc-techgroup.com/server-room-humidity/)

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