Area Border Router&#

第1题：

What bit should be set in the link state PDUs in an IS-IS level-1-2 router to indicate that they are a potentialexit point out of the area ？（）

• A、ATT（Attached）bit
• B、IS-Type bits
• C、P（Partition）bit
• D、Down bit
• E、PN（Pseudonode）biy
• F、ABR（Area Border Rorter）bit

第2题：

Border属性就是用来描述BOX边框的，Border属性分为（）。

• A、border–width
• B、border-color
• C、border-style
• D、border-height
• E、border-align

第3题：

第4题：

An OSPF non-backbone area allows external routes to be flooded within the area. These external routes are propagated into other areas. However， external routes from other areas are not allowed to enter this area. Which type of SPF area does this describe？（）

• A、stub area
• B、transit area
• C、border area
• D、not-so-stubby area

第5题：

Which three restrictions apply to OSPF stub areas？ （）

• A、 No virtual links are allowed.
• B、 The area cannot be a backbone area.
• C、 Redistribution is not allowed unless the packet is changed to a type 7 packet.
• D、 The area has no more than 10 routers.
• E、 No autonomous system border routers are allowed.
• F、 Interarea routes are suppressed.

第6题：

边框样式中设置上边框的宽度的是（）。

• A、border-style
• B、border-color
• C、border-top-width
• D、border-bottom

第7题：

Which description regarding OSPF Network LSAs is correct?（）

• A、They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.
• B、They are originat ed by Area Border Routers and are sent into a single area to advertise destinations outside that area.
• C、They are originated by the DR on every multi - access network. They include all attached routers including the DR itself.
• D、They are originated by  every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

第8题：

第9题：

Which three restrictions apply to OSPF stub areas?（）

• A、The area cannot be a backbone area.
• B、Inter area routes are suppressed.
• C、The area has no more than 10 routers.
• D、No virtual links are allowed.
• E、No autonomous system border routers are allowed.
• F、Redistribution is not allowed unless the packet is changed to a type 7 packet.

第10题：

边框宽度用css的（）属性表示。

• A、border-color
• B、border-style
• C、border-width
• D、border-solid