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. HVAC
B. Fire suppression
C. UPS and battery backups
D. Mantraps at the entry
正解:B
質問 2:
Which of the following would Karen, a technician, do to monitor remote traffic through an access point?
A. Set monitoring SSID
B. Enable network mapping
C. Select WPA2
D. Enable an SNMP agent
正解:D
質問 3:
A public website using round robin DNS is an example of:
A. load balancing.
B. QoS.
C. traffic shaping.
D. caching engines.
正解:A
質問 4:
A user reports that one of their critical programs no longer functions after a recent router upgrade in the office. A network technician is called in to troubleshoot the issue and documentation shows that the software needs full open connections over ports 558, 981, and 382 in order to function. Which of the following tools could the technician BEST use to troubleshoot this issue?
A. NET USE
B. TRACEROUTE
C. IPCONFIG
D. TELNET
正解:D
質問 5:
Which of the following network topologies describes a network where each node is connected to every other node?
A. Ring
B. Star
C. Bus
D. Mesh
正解:D
質問 6:
Which of the following does the IP address 169.254.222.10 indicate?
A. Duplicate IP addresses are found
B. No DHCP server connectivity
C. Firewall issue
D. The DNS server is unavailable
正解:B
質問 7:
Two workstations are unable to communicate on the network despite having known good cables. When one device is unplugged from the network the other device functions properly. Which of the following could be the cause of this failure?
A. Incorrect subnet mask
B. Wrong DNS
C. Duplicate IP address
D. Incorrect gateway
正解:C
質問 8:
A user's computer is unable to access the Internet. Which of the following utilities can a technician use to determine if DNS is working?
A. nbstat
B. arp
C. ipconfig
D. nslookup
正解:D
質問 9:
Which of the following diagnostic commands relies on proper forwarding of ICMP ECHO packets?
A. route
B. nbtstat
C. ifconfig
D. ping
正解:D
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