Topic 6: Mixed Set (9) Flashcards
Which of the following WAN technologies decreases bandwidth performance as the distance from the provider increases? A. DSL B. T1 C. Frame relay D. ISDN
Answer: A
Which of the following allows for spatial reuse utilizing several multipath distortions as RF data streams? A. Omni-directional B. MIMO C. Distributed D. Beam forming
Answer: B
Which of the following areas MUST all other OSPF areas connect to in a properly configured network? A. 0 B. 1 C. 110 D. 255
Answer: A
A network technician needs to implement an Ethernet network in a factory environment. Existing shielded twisted pair wiring does not provide enough protection from the interference of the factory equipment. Which of the following copper wired Ethernet networks should be used? A. 10Base2 B. 100BaseFX C. 100BaseT D. 10GBaseSR
Answer: C
Which of the following should a first responder perform when arriving at a site to perform a basic forensic investigation?
A. Isolate the area and block radio transmissions to the device.
B. Search for hidden storage devices and duplicate them on site.
C. Power off all computers and devices to stop them from erasing data.
D. Utilize a strong magnet to secure all data on drives from being erased.
Answer: B
A technician wants to configure the inbound port of a router to prevent FTP traffic from leaving the LAN. Which of the following should be placed on the router interface to accomplish this goal? A. Static routes for all port 80 traffic B. DHCP reservations for all /24 subnets C. ACL for ports 20 and 21 D. MAC filtering using wildcards
Answer: C
A technician has replaced the Internet gateway router, and now no users can reach the Internet. The technician can ping the router Ethernet port but not the ISP's router IP address. Which of the following is the MOST likely problem? A. Faulty crossover cable B. DNS server is down C. Switching loop D. Outside interface shutdown
Answer: D
Which of the following commands will display the associated IP address of a network adapter in Windows and Linux environments? (Select TWO). A. dig B. nslookup C. nbstat D. ifconfig E. ipconfig
Answer: D,E
When querying a DNS server for an AAAA record, which of the following is an appropriate response? A. 192.168.2.1 B. 00:f3:82:99:a2:b8 C. 61.23.168.192.in-addr.arpa D. 3ffe:1900:4545:3:200:f8ff:fe21:67cf
Answer: D
A computer on VLAN 10 with the IP address of 192.168.1.45/27 cannot ping a computer on VLAN 20 with the IP address of 192.168.1.65/27. Which configuration change will allow the PING to be successful?
A. Replace the router with a Layer 2 switch that supports VLANs
B. Change VLAN 20 computers Default Gateway to 192.168.1.127/27
C. Change VLAN 10 computers Default Gateway to 192.168.1.32/27
D. AllowICMP to pass through the Router
Answer: D
Which of the following network devices restricts traffic based on words, signatures, and URLs? A. Layer 2 switch B. Content filter C. Load balancer D. Traffic analyzer
Answer: B
A new firewall was recently installed blocking SMTP traffic. As a result, no one has Internet access. Which of the following has MOST likely occurred?
A. Port security is blocking all traffic.
B. An IDS is blocking all traffic.
C. Implicit deny is blocking all traffic.
D. SMTP is blocking all traffic.
Answer: C
A user is unable to open up websites on the Internet from a browser. The administrator determines that the workstation can ping its local gateway, but not the remote web server. At which of the following layers of the OSI model does the problem MOST likely exist? A. Data link B. Network C. Session D. Physical
Answer: B
Which of the following uses types and codes rather than ports? A. EIGRP B. ICMP C. UDP D. IPv6
Answer: B
A technician, Joe, visits a site that has reported a network down emergency. He immediately reboots the switches and the router since the network is down. Which of the following network troubleshooting methodology steps should Joe have performed FIRST?
A. Determine if anything has changed
B. Once a theory is confirmed determine the next step is to resolve the problem
C. Implement the solution or escalate as necessary
D. Question the obvious
Answer: A
Which of the following defines an IP address that is NOT routed on the Internet? A. Multicast B. Public C. Private D. Classful
Answer: C