questions 101-200 Flashcards
Which of the following helps prevent routing loops? A. Routing table B. Default gateway C. Route summarization D. Split horizon
D. Split horizon
After repairing a computer infected with malware, a technician determines that the web browser fails to go to the proper address for some sites. Which of the following should be checked? A. Server host file B. Subnet mask C. Local hosts file D. Duplex settings
C. Local hosts file
Which of the following WAN technologies is associated with high latency? A. T1 B. Satellite C. Cable D. OCx
B. Satellite
When a client calls and describes a problem with a computer not being able to reach the Internet, in which of the following places of the OSI model would a technician begin troubleshooting? A. Transport layer B. Physical layer C. Network layer D. Session layer
B. Physical layer
A network engineer is dispatched to an employee office to troubleshoot an issue with the employee’s laptop. The employee is unable to connect to local and remote
resources. The network engineer flips the laptop’s wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 7
A. Layer 1
When troubleshooting a network problem, browsing through the log of a switch, it is discovered that multiple frames contain errors. In which of the following layers does the problem reside? (Select TWO). A. Layer 2 B. Layer 3 C. Layer 5 D. Transport layer E. Data link F. Physical layer
A. Layer 2
E. Data link
A network administrator is using a packet analyzer to determine an issue on the local LAN. Two separate computers are showing an error message on the screen
and are unable to communicate with other computers in the same lab. The network administrator looks at the following output:
SRC MACSRC IPDST MACDST IP
00:1D:1F:AB:10:7D192.168.1.10:200015:BE:9F:AB:10:1D192.168.1.14:1200
05:DD:1F:AB:10:27192.168.1.10:100022:C7:2F:AB:10:A2192.168.1.15:1300
Given that all the computers in the lab are directly connected to the same switch, and are not using any virtualization technology, at which of the following layers of
the OSI model is the problem occurring?
A. Network
B. Application
C. Data link
D. Transport
A. Network
Which of the following will negotiate standoff timers to allow multiple devices to communicate on congested network segments? A. CSMA/CD B. OSPF C. DOCSIS D. BGP
A. CSMA/CD
Which of the following devices implements CSMA/CA virtually through the RTS/CTS protocols? A. Firewall B. Router C. 802.11 AP D. Switch
C. 802.11 AP
The management team wants to set up a wireless network in their office but all of their phones operate at the 2.4 GHz frequency. They need a wireless network that
would be able to operate at a higher frequency than their phones. Which of following standards should be used?
A. 802.11a
B. 802.11b
C. 802.11g
D. 802.1x
A. 802.11a
A user with an 802.11n WLAN card is connected to a SOHO network and is only able to connect at 11 Mbps with full signal strength. Which of the following standards is implemented on the network? A. 802.11a B. 802.11ac C. 802.11b D. 802.11g
C. 802.11b
A network technician has been tasked with designing a WLAN for a small office. One of the requirements of this design is that it is capable of supporting HD video
streaming to multiple devices. Which of the following would be the appropriate wireless technology for this design?
A. 802.11g
B. 802.11ac
C. 802.11b
D. 802.11a
B. 802.11ac
A company is deploying a new wireless network and requires 800Mbps network throughput. Which of the following is the MINIMUM configuration that would meet
this need?
A. 802.11ac with 2 spatial streams and an 80MHz bandwidth
B. 802.11ac with 3 spatial streams and a 20MHz bandwidth
C. 802.11ac with 3 spatial streams and a 40MHz bandwidth
D. 802.11ac with 4 spatial streams and a 160MHz bandwidth
A. 802.11ac with 2 spatial streams and an 80MHz bandwidth
A network technician is attempting to connect a new host to existing manufacturing equipment on an Ethernet network. The technician is having issues trying to
establish communication between the old equipment and the new host. The technician checks the cabling for breaks and finds that the CAT3 cable in use is in perfect condition. Which of the following should the technician check to ensure the new host will connect?
A. Confirm the new host is using 10GBaseSR due to the manufacturing environment
B. Confirm the new host is compatible with 10BaseT Ethernet
C. Confirm the existing 10Base2 equipment is using the proper frame type
D. Confirm that CSMA/CD is disabled on the Ethernet network
B. Confirm the new host is compatible with 10BaseT Ethernet
Before logging into the company network, users are required to sign a document that is to be stored in their personnel file. This standards and policies document is usually called which of the following? A. SOP B. BEP C. AUP D. SLA
C. AUP
A service provider is unable to maintain connectivity to several remote sites at predetermined speeds. The service provider could be in violation of the: A. MLA. B. SLA. C. SOW. D. MOU.
B. SLA.
A customer has engaged a company to improve the availability of all of the customer’s services and applications, enabling the customer to minimize downtime to a
few hours per quarter. Which of the following will document the scope of the activities the company will provide to the customer, including the intended outcomes?
A. MLA
B. MOU
C. SOW
D. SLA
C. SOW
A technician has prolonged contact with a thermal compound. Which of the following resources should be consulted? A. HCL B. MSDS C. SLA D. HVAC
B. MSDS
An organization is moving to a new datacenter. During the move, several technicians raise concerns about a system that could potentially remove oxygen from the
server room and result in suffocation. Which of the following systems are they MOST likely discussing?
A. Fire suppression
B. Mantraps at the entry
C. HVAC
D. UPS and battery backups
A. Fire suppression
Which of the following describes an area containing a rack that is used to connect customer equipment to a service provider? A. 110 block B. MDF C. DSU D. CSU
B. MDF
Which of the following PDUs is used by a connectionless protocol? A. Frames B. Segments C. Streams D. Datagram
D. Datagram
A network technician is utilizing a network protocol analyzer to troubleshoot issues that a user has been experiencing when uploading work to the internal FTP server. Which of the following default port numbers should the technician set the analyzer to highlight when creating a report? (Select TWO). A. 20 B. 21 C. 22 D. 23 E. 67 F. 68 G. 69
A. 20
B. 21
A network technician has just installed a TFTP server on the administrative segment of the network to store router and switch configurations. After a transfer attempt
to the server is made, the process errors out. Which of the following is a cause of the error?
A. Only FTP can be used to copy configurations from switches
B. Anonymous users were not used to log into the TFTP server
C. An incorrect password was used and the account is now locked
D. Port 69 is blocked on a router between the network segments
D. Port 69 is blocked on a router between the network segments
A network administrator has created a virtual machine in the cloud. The technician would like to connect to the server remotely using RDP. Which of the following default ports needs to be opened? A. 445 B. 3389 C. 5004 D. 5060
B. 3389
Build a T-658A Connection
wire order
Green/White, Green, Orange/White, Blue, Blue/White, Orange, Brown/White, Brown
Build a T-658B Connection
wire order
Orange/White,Orange, Green/White, Blue, Blue/White, Green, Brown/White, Brown
A company installs a new mail server. Which of the following DNS records need to be configured to allow the organization to receive email? A. CNAME B. MX C. PTR D. A
B. MX
The administrator modifies a rule on the firewall, and now all the FTP users cannot access the server any longer. The manager calls the administrator and asks. what caused the extreme downtime for the server. In regards to the manager’s inquiry, which of the following did the administrator forget to do FIRST?
A. Submit a change request
B. Schedule a maintenance window
C. Provide notification of change to users
D. Document the changes
A. Submit a change request
A network administrator noticed that when one computer goes down, all the other computers in the office will not work. Which of the following topologies is in use? A. Star B. Ring C. Hybrid D. Bus E. Mesh
D. Bus
There has been an increased amount of successful social engineering attacks at a corporate office. Which of the following will reduce this attack in the near future? A. Helpdesk training B. Appropriate use policy C. User awareness training D. Personal Identifiable Information
C. User awareness training
The human resource department has been moved to an area which is more than 60 meters away from the nearest IDF. In order to comply with the SLA which
requires that 10Gb speeds be provided, which of the following media will need to utilized?
A. CAT6e
B. CAT5e
C. 802.11n
D. 802.11ac
A. CAT6e
While troubleshooting, a technician notices that some clients using FTP still work and that pings to the local router and servers are working. The technician tries to
ping all known nodes on the network and they reply positively, except for one of the servers. The technician notices that ping works only when the host name is used
but not when FQDN is used. Which of the following servers is MOST likely down?
A. WINS server
B. Domain controller
C. DHCP server
D. DNS server
D. DNS server
An area to which access is controlled by retina scan is protected by which of the following security measure types? A. Two-factor authentication B. Biometric C. Cipher locks D. Optical reader E. Proximity reader
B. Biometric
Which of the following ports should be allowed to provide access to certain VoIP applications? A. 110 B. 139 C. 1720 D. 5060
D. 5060
Which of the following should be used to ensure a specific device always receives the same IP address? A. IP helper B. Reservation C. Address lease D. DHCP scope E. DHCP relay
B. Reservation
Users connecting to an SSID appear to be unable to authenticate to the captive portal. Which of the following is the cause of this issue? A. WPA2 security key B. SSL certificates C. CSMA/CA D. RADIUS
D. RADIUS