N10-007 : CompTIA Network+ : Part 02

N10-007 : CompTIA Network+ : Part 02

NS – Modules 20 – 22

1. A network administrator configures a router with the following IP address information:
   Gigabit Ethernet 1 Interface: 10.10.0.1/24
   Serial 0 Interface: 10.10.0.253/30

   Clients are connected to a switch on the gigabit Ethernet interface; the ISP is connected to the Serial 0 interface. When the router configuration is complete and client devices are reconfigured, all clients report that they are unable to connect to the Internet. Which of the following is the MOST likely reason?

   • The router was configured with an incorrect IP address
   • The router was configured with an incorrect default gateway
   • The router was configured with an incorrect subnet mask
   • The router was configured with an incorrect loopback address

2. A penetration tester has been tasked with reconnaissance to determine which ports are open on the network. Which of the following tasks should be done FIRST? (Choose two.)

   • Network scan
   • Banner grab
   • Tracert
   • DHCP server check
   • Brute-force attack

3. Users are reporting Internet connectivity issues. The network administrator wants to determine if the issues are internal to the company network or if there is an issue with the ISP. Which of the following tools should be used to BEST determine where the outage is occurring?

   • traceroute

   • ping

   • nslookup

   • netstat

4. Which of the following security mechanisms dynamically assigns a Layer 2 address and restricts traffic only to that Layer 2 address?

   • Sticky MAC
   • 802.1x
   • ACL
   • NAC

5. Which of the following is a vulnerable system designed to detect and log unauthorized access?

   • SIEM
   • Honeypot
   • DMZ
   • Proxy server

6. According to the OSI model, at which of the following layers is data encapsulated into a packet?

   • Layer 2
   • Layer 3
   • Layer 4
   • Layer 5
   • Layer 6

7. Which of the following WAN technologies is MOST preferred when developing a VoIP system with 23 concurrent channels?

   • DSL
   • POTS
   • T1
   • DOCSIS

8. A junior network technician is setting up a new email server on the company network. Which of the following default ports should the technician ensure is open on the firewall so the new email server can relay email?

   • 23
   • 25
   • 110
   • 143

9. Which of the following policies would Joe, a user, have to agree to when he brings in his personal tablet to connect to the company’s guest wireless Internet?

   • NDA
   • IRP
   • BYOD
   • SLA

10. In a service provider network, a company has an existing IP address scheme. Company A’s network currently uses the following scheme:

    

    Company b uses the following scheme:
    Subnet 1: 192.168.1.50/28

    The network administrator cannot force the customer to update its IP scheme. Considering this, which of the following is the BEST way for the company to connect these networks?

    • DMZ
    • PAT
    • NAT
    • VLAN

11. A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers. Which of the following represents the BEST configuration for the remote site?

    • One router connected to one 24-port switch configured with three VLANS: one for the manager’s computers and printer, one for the other computers and printer, and one for the VoIP phones
    • Two routers with each router connected to a 12-port switch, with a firewall connected to the switch connected to the manager’s desktop computers, VoIP phones, and printer
    • One router connected to one 12-port switch configured for the manager’s computers, phones, and printer, and one 12-port switch configured for the other computers, VoIP phones, and printer
    • One router connected to one 24-port switch configured with two VLANS: one for the manager’s computers, VoIP phones, and printer, and one for the other computers, VoIP phones, and printer

12. A network technician is troubleshooting an end-user connectivity problem. The network technician goes to the appropriate IDF but is unable to identify the appropriate cable due to poor labeling. Which of the following should the network technician use to help identify the appropriate cable?

    • Tone generator
    • Multimeter
    • OTDR
    • Loopback adapter

13. A network technician notices the site-to-site VPN and Internet connection have not come back up at a branch office after a recent power outage. Which of the following is an out-of-band method the technician would MOST likely utilize to check the branch office’s router status?

    • Use a modem to console into the router
    • Walk a user through troubleshooting the connection
    • Travel to the branch office
    • Hire a contractor to go on-site

14. A network technician is considering opening ports on the firewall for an upcoming VoIP PBX implementation. Which of the following protocols is the technician MOST likely to consider? (Choose three.)

    • SIP
    • NTP
    • H.323
    • SMB
    • ICMP
    • RTP
    • IPSec
    • RDP

15. A device operating at Layer 3 of the OSI model uses which of the following protocols to determine the path to a different network?

    • STP
    • RTP
    • RIP
    • NTP
    • SIP

16. A network administrator is setting up a web-based application that needs to be continually accessible to the end users. Which of the following concepts would BEST ensure this requirement?

    • High availability
    • Snapshots
    • NIC teaming
    • Cold site

17. Which of the following devices should a network administrator configure on the outermost part of the network?

    • Media converter
    • Switch
    • Modem
    • Firewall

18. A company finds that many desktops are being reported as missing or lost. Which of the following would BEST assist in recovering these devices?

    • Asset tracking tags
    • Motion detectors
    • Security guards
    • Computer locks

19. A technician is connecting a router directly to a PC using the G1/0/1 interface. Without the use of auto-sensing ports, which of the following cables should be used?

    • Straight-through
    • Console
    • Rollover
    • Crossover

20. A technician is diagnosing an issue with a new T1 connection. The router is configured, the cable is connected, but the T1 is down. To verify the configuration of the router, which of the following tools should the technician use?

    • Loopback adapter
    • Cable tester
    • Tone generator
    • Multimeter

NS – Modules 20 – 22