Which option describes the incorrect usage of the Label Dist

第1题：

Which 4 statements regarding MPLS Label Stack Encoding is true？（）

• A、A value of 4 represents the "Implicit NULL Label."
• B、A value of 0 represents the "IPv4 Explicit NULL Label."
• C、A value of 1 represents the "Router Alert Label". The use of this label is analogous to the use of the"Router Alert Option" in IP packets （for example， ping with record route option）
• D、A value of 2 represents the "IPv6 Explicit NULL Label"
• E、A value of 1 represents the "IPv1 Explicit NULL Label"
• F、A value of 3 represents the "Implicit NULL Label"

第2题：

Which of the following is true regarding Label Distribution Protocol （LDP）？（）

• A、It is a label distribution protocol for MPLS
• B、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a network
• C、Tag distribution Protocol （TDP） was the basis for LDP
• D、All of the above are true

第3题：

第4题：

Which statement correctly describes the disabling of IP TTL propagation in an MPLS network？（）

• A、The TTL field from the IP packet is copied into the TTL field of the MPLS label header at the ingress edge LSR
• B、TTL propagation cannot be disabled in an MPLS domain
• C、TTL propagation is only disabled on the ingress edge LSR
• D、The TTL field of the MPLS label header is set to 255
• E、The TTL field of the IP packet is set to 0

第5题：

Which narrative regarding loading software is incorrect?（）

• A、The approved Loading Program could substituted the approved Loading Manual and/or Trim and Stability Booklet
• B、A Loading Program is required to have General Approval by classification Society prior to being considered for use on a specific ship
• C、Following a satisfactory installation test on board the ship the Surveyor will issue a Program Installation Test
• D、A Loading Program may be provided as a classification requirement or as an Owner’s option

第6题：

Which option describes the incorrect usage of the Label Distribution method？（）

• A、LDP is primarily used in internal networks of MPLS-VPN providers.
• B、MP-BGP is used for label distribution for VPN customer routes.
• C、Directed LDP is used for label distribution in L2-VPN Attachement Circuits.
• D、MP-BGP is used for label distribution in MPLS Traffic Engineered networks.

第7题：

Which Oracle Database component is audited by default if the unified Auditing option is enabled?（）

• A、Oracle Data Pump
• B、Oracle Recovery Manager (RMAN)
• C、Oracle Label Security
• D、Oracle Database Vault
• E、Oracle Real Application Security

第8题：

第9题：

In an iostat report， which of the following options best describes the value of % tm_act？（）

• A、 The total CPU usage for this drive
• B、 The bandwidth utilization of the indicated drive
• C、 It can best be represented by the equation （%iowait - %ioidle）
• D、 It can best be represented by the equation （kilobytes read/kilobytes written） *100

第10题：

Multi Protocol Label Switching （MPLS） is a data-carrying mechanism that belongs to the family of packet-switched networks. For an MPLS label， if the stack bit is set to1， which option is true？（）

• A、The stack bit will only be used when LDP is the label distribution protocol
• B、The label is the last entry in the label stack.
• C、The stack bit is for Cisco implementations exclusively and will only be used when TDP is the label distribution protocol.
• D、The stack bit is reserved for future use.