FTTB,即Fiber to The Building(光纤到楼),它是利用()技术,光纤直接到小区里,再通过双绞线(超五类双绞线或4对非屏蔽双绞线)到各个用户。
![](/upload/20220827/c85071da6ff0aadc10ebce6c25bb4f0d.png)
相似题目
-
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?()
-
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km? ()
-
Due to the internal Fiber Channel over Ethernet architecture of the Cisco UCS ,what does each VSANrequire?()
-
The IBM XIV Storage System supports all of the following fiber channel speeds EXCEPT:().
-
HFC(Hybrid fiber coax)光纤同轴电缆混合体——即光纤同轴混合接入,是采用光纤和()传输数据的宽带
-
During the TDA, it is determined that Global Mirror will be implemented. The IBM team wants to ensure that they have enough DS8800 fiber links to handle the mirroring workload. Which tool should be used to determine the number of fiber links needed()
-
The strongest of the natural fiber ropes is().
-
To clean a dirty fiber towing hawser used in ocean towing,you should().
-
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems?()
-
The best method of protecting that portion of a fiber anchor line nearest the anchor from chafing on the bottom is by().
-
What is the recommended practice regarding UDLD when implementing it in all fiber-optic LANports?()
-
FTTH(Fiber To The Home)即(),就是一根光纤入户,直接到您家,再通过光猫设备进行信号转换,PPPoe拨号成功即可上网。
-
Which tool is used to open the strands of fiber lines when making an eye splice?()
-
Why are the 1300 nm and 1550 nm regions of the fiber spectrum primarily used for optical communications?()
-
On both the IBM SAN764B and the IBM SAN384B Fiber Channel Directors, all of the followingSmall Form Pluggable plus (SFP+) optical transceivers are supported EXCEPT:()
-
In order to help protect a natural fiber rope from rotting,the line must be().
-
Which three technologies are used to reduce chromatic dispersion accumulation in fiber-optic transmission systems? ()(Choose three.)
-
Fiber to the office是指()。
-
Your network is suffering from regular outages. After troubleshooting, you learn that the transmit lead of a fiber uplink was damaged. Which two features can prevent the same issues in the future?()
-
Which of the following should be noted when performing hardware loop on optical interface through fiber?()
-
Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connec
-
The disadvantage of optical fiber communication is high transmission loss. ()
-
What type of optical fiber is used for the connection inside the M600 rack?()
-
Compared with multimode fiber, the main characteristics of single-mode fiber are()
推荐题目
- 关于消费争议表述不正确的是()
- 有关商品混凝土的说法错误的是()。
- 《国家电网公司电力安全工作规程》规定适用于在海拔1000m及以下交流10~500kV的高压架空电力线路、变电站(发电厂)电气设备上,采用等电位、中间电位和地电位方式进行的带电作业,以及低压带电作业。
- 起吊工具时,不进行试吊的违章级别是什么?
- 职业道德的核心和基础是爱岗敬业。
- 当炫耀式旅游成了目的,扎堆往知名景点挤,也就在意料之中,其实旅游作为一种现代的生活方式,可以有多样化的功能。如果是为了教育,可以带孩子去看名山大川、古城遗迹,帮助他们了解国家的历史和文化传统;如果是为了休闲放松,可以去海边、深山,或者就近选择市郊的农家小院,能短暂逃避尘世喧嚣就好。理性面对旅游目的,寻找合适的度假所在,才是健康的旅游观念,才能更好地享受旅游的快乐。旅游观念转型升级,旅游市场分化,人满为患的现象才可能消失,旅行中的快乐亦会更加醇厚。 根据这段文字,旅游观念的“转型升级”指的是()
- 二龙口衔盘沿,尾接瓶肩,呈双耳状立于瓶口两侧,它是唐代()。
- 气象学
- 电视节目《人民子弟兵》属于电视节目题材中的()
- 属于企业的新型组织模式的有平台化组织。()