Free Cisco 600-199 Exam Dumps Questions & Answers

What is the purpose of the TCP SYN flag?

• A.to synchronize the initial sequence number contained in the Sequence Number header field with the other end of the connection
• B.to acknowledge outstanding data relative to the byte count contained in the Sequence Number header field
• C.to sequence each byte of data in a TCP connection relative to the byte count contained in the Sequence Number header field
• D.to sequence each byte of data in a TCP connection

Refer to the exhibit.

In the packet captured from tcpdump, which fields match up with the lettered parameters?

• A.A.Source and destination Ethernet addresses,Source and destination IP addresses,C.Source and destination TCP port numbers,D.TCP sequence number,E.TCP options
• B.A.Source and destination Ethernet addresses,B.Source and destination IP addresses,Source and destination TCP port numbers,D.TCP acknowledgement number,E.IP options
• C.A.Source and destination Ethernet addresses,B.Source and destination IP addresses,C.Source and destination TCP port numbers,TCP sequence number,E.IP options
• D.Source and destination IP addresses,B.Source and destination Ethernet addresses,C.Source and destination TCP port numbers,D.TCP acknowledgement number,E.IP options

In a network security policy, which procedure should be documented ahead of time to speed the communication of a network attack?

• A.restoration plans for compromised systems
• B.a method of communication and who to contact
• C.risk analysis tool credentials
• D.Internet service provider contact information
• E.credentials for packet capture devices

Refer to the exhibit.

Which DNS Query Types pertains to email?

• A.TXT?
• B.PTR?
• C.A?
• D.NS?
• E.MX?
• F.SOA?

When is it recommended to establish a traffic profile baseline for your network?

• A.during normal production hours
• B.outside of normal production hours
• C.during a DDoS attack
• D.during monthly file server backup