A network administrator must stop all ICMP traffic to the network. Which methods can be used?
A. Deny ICMP at a router
B. Block ICMP at a switch
C. Block the port on a firewall
D. Enable VLAN ports at the switch
E. A and B
F. A and C
G. B. and C
H. C. and D
The following command has been issued on a Control Station:
rpcinfo p hostname
Which RPC. information would be contained in the output?
A. Application identifiers and ports used
B. Available services and transport protocols
C. Connected application identifiers and hosts
D. Connected services running and hosts
Which tools can be used to troubleshoot various network issues in a Windows environment?
A. ARP, Attrib, Netstat, and Defrag
B. Nbtstat, Tracert, Fdisk, and NetDiag
C. Netstat, Ping, Nbtstat, and ARP
D. Tracert, Ping, Attrib, and NetDiag
You have just captured a network trace for a customer reporting slow performance on a Data Mover. When you open the trace you see a very large number of TCP retransmissions.
What is the most likely cause for these retransmissions?
A. Duplicate IP addresses
B. Invalid broadcast address
C. Speed and duplex mismatch
D. TCP window size too large
When troubleshooting slow performance on a Data Mover, a network trace has just been captured. When the trace is opened, a very large number of TCP retransmissions are observed. What is the most likely cause for these retransmissions?
A. Duplicate IP addresses
B. Invalid broadcast address
C. Speed and duplex mismatch
D. TCP window size is too large
Which service allows a computer to register using a broadcast?
A. AD. Sites and Services
B. Dynamic DNS
C. NIS+
D. WINS
What is limited to 15 characters?
A. DOS filename
B. Forward lookup zone
C. Hostname
D. NetBIOS name
Which command will display a local computer's hostname?
A. ipconfig, nbtstat, hostname
B. ipconfig, nslookup, hostname
C. ipconfig, nslookup, nbtstat
D. nbtstat, nslookup, hostname
Which information can be displayed with the nbtstat command?
A. NetBEUI over IPX/SPX
B. NetBEUI over TCP/IP
C. NetBIOS over IPX/SPX
D. NetBIOS over TCP/IP
In an attempt to connect to a CIFS share by its UNC. path (\\server_name\share_name), the connection fails. You can successfully ping the server by its IP address.
Which command would verity the IP address resolution to the server name?
A. NETSTAT
B. NETVIEW
C. NSLOOKUP
D. TRACERT
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