皮皮学，免费搜题
登录
搜题
【单选题】
假设消费者收入增加了20%，此时他对商品X的需求只增加了10%，商品X是( )A.
正常商品
B.
低档商品
C.
吉芬商品
D.
边际产品
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Which of the following is NOT true according to the conversation?
A.
There is no link between coffee and heart disease.
B.
Caffeine can cure headache.
C.
Tea has less caffeine than soda.
D.
Addicted people without caffeine will get headache.
【单选题】Which line from the output of the show ip interface command indicates that there is a Layer 1 problem?
A.
Serial0/1 is up, line protocol is down
B.
Serial0/1 is down, line protocol is down
C.
Serial0/1 is up, line protocol is up
D.
Serial0/1 is administratively down, line protocol is down
E.
None of the above
【单选题】Which of the following services can not offered by a link-layer protocol?
A.
congestion control
B.
Link Access
C.
Error control
D.
Framing
【单选题】Which UNIX command creates a symbolic link named myfile in the current directory to the file /etc/hosts? ( )
A.
In —s/etc/hosts myfile
B.
In —s myfile/etc/hosts
C.
link —s/etc/hosts myfile
D.
link —s myfile/etc/hosts
【单选题】Which of the following is INCORRECT according to the conversation?
A.
There is no link between coffee and heart disease.
B.
Caffeine can cure headache.
C.
Tea has less caffeine than soda.
D.
Addicted people without caffeine will get headache.
【多选题】Which two are characteristics of link-state routing protocols?（） (Choose two.)
A.
Routers choose a best path for a destination based on the SPF algorithm.
B.
All routers in a given area or level build a consistent database describing the network's topology.
C.
Routers choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.
D.
All routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.
【单选题】Which statement is correct about an OSPF sham-link？（）
A.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
B.
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
C.
A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.
D.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
E.
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
【单选题】When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?
A.
By default, all VLANs are allowed on the trunk.
B.
No VLANs are allowed; you must configure each VLAN by hand .
C.
Only configured VLANs are allowed on the link.
D.
Only extended VLANs are allowed by default.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
